{"title":"Drive Train Products","description":"","products":[{"product_id":"1350-tubeworks-locking-yoke","title":"1350 TUBEWORKS LOCKING YOKE","description":"TUBEWORKS BILLET 1350 HIGH CLEARANCE YOKE, W\/ MECHANICAL LOCK SYSTEM, THREADED FOR 3\/8-24\" 12-PT.","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225355526357,"sku":"2750100","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/2748000.05-e1516649944156-2.jpg?v=1724981273"},{"product_id":"1480-billet-yoke","title":"1480 TW Billet Locking Yoke","description":"TUBEWORKS BILLET 1480 HIGH CLEARANCE YOKE, W\/ MECHANICAL LOCK SYSTEM, THREADED FOR 3\/8-24\" 12-PT.\u003cbr\u003e\u003cbr\u003eTHE TUBEWORKS 1480 YOKE ONLY WORKS WITH TUBEWORKS PINION SUPPORTS AND UNDERDRIVE SYSTEMS. THE LOCKING PINION NUT SYSTEM IS ONE OF A KIND. THE KEY FEATURE TO THE 1480 YOKE BESIDES THE PRODUCTION METHODS AND POST PROCESSING BENEFITS IS THE INCREASED BEARING SPREAD BETWEEN THE PINION SUPPORT BEARINGS. THE INCREASE IS HUGE IN PROLONGING THE LIFE OF ANY GEAR RATIO WITH A 35 SPLINE INPUT.","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225358966997,"sku":"2780100","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/2748000.01-1-e1516649615462-2.jpg?v=1724981287"},{"product_id":"1480-billet-yoke-caps","title":"1480 BILLET YOKE CAPS","description":"TUBEWORKS BILLET 1480 YOKE CAPS - Heat Treated 4140, Low Profile Caps with 3\/8-24\" 6 pt grade 8 Bolts\u003cbr\u003e\u003cbr\u003eAlso compatible with GearWorks, Strange, etc. 1480 Yokes\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225366765781,"sku":"2780150","price":137.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/IMG_4424-e1629916628418.jpg?v=1724981299"},{"product_id":"8-rib-underdrive-pulley","title":"8 RIB UNDERDRIVE PULLEY","description":"Hard Anodized 7\" Billet 8 rib hard anodized 7\" Billet 8 Rib Belt Pulley.  Profiled and milled to go on and off Undrdrive unit without taking off yoke.  Uses ARP Inserts.","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225373909205,"sku":"2700100","price":281.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/2700100.01-e1518982337248-2.jpg?v=1724981311"},{"product_id":"v-belt-underdrive-pulley","title":"V-BELT UNDERDRIVE PULLEY","description":"HARD ANODIZED 7\" BILLET V-BELT PULLEY. PROFILED AND MILLED TO GO ON AND OFF UNDERDRIVE UNIT WITHOUT TAKING OFF YOKE. USES ARP INSERTS","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225379250389,"sku":"2700200","price":281.88,"currency_code":"USD","in_stock":true}]},{"product_id":"underdrive-1-31","title":"UNDERDRIVE WITH 1.31 RATIO","description":"The Tubeworks Underdrive is a must for off-road truck applications using a Turbo 400 Transmission.  Simply stated, the underdrive increases the RPM of the driveshaft  which allows a ring and pinion ratio to be much higher and stronger.  With 37, 39, or even 42 inch tires, the need for a high final drive number becomes even more important because the  underdrive allows the drivetrain to use as high as a 4.11 Ring and Pinion and have as low as a 5\/83 final drive.   Depending on engine RPM, top speed desired and wheel diameter, we can set you up with the proper planetary ratio and rear end combo for maximum torque or MPH.\u003cbr\u003e\u003cbr\u003eThis unit also allows for a quick interchange of planetary ratios for those competitors that wish to have an extremely low final drive for qualifying. The final drive can change from a 5.43 to a 6.29 or lower in a matter of minutes.\u003cbr\u003e\u003cbr\u003ePictured on the underdrive is the 8-rib pulley that is used for alternator applications.  The pulley is not included in the price of the underdrive and would be an upgrade. 8-rib or v-rib style pulleys are available.\u003cbr\u003e\u003cbr\u003eEach Planetary Underdrive is lubricated and cooled from the transmission.\u003cbr\u003e\u003cstrong\u003eTHE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.31 PLANET SET. (LOWEST RATIO)\u003c\/strong\u003e 1.31 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 4.86 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.11 = 5.38 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.29 = 5.61 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e1.31 X 4.56 = 5.97 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eT\u003cstrong\u003eHE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.48 PLANET SET. (QUALIFYING RATIO)\u003c\/strong\u003e 1.48 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 5.49 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.11 = 6.08 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.29 = 6.34 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.56 = 6.74 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e(COMPLETE CHART)\u003cbr\u003e1.56 X 3.79 = 5.91\u003cbr\u003e1.56 X 4.11 = 6.41\u003cbr\u003e1.56 X 4.29 = 6.69\u003cbr\u003e1.56 X 4.56 = 7.11\u003cbr\u003e\u003cbr\u003e1.48 X 3.79 = 5.61\u003cbr\u003e1.48 X 4.11 = 6.08\u003cbr\u003e1.48 X 4.29 = 6.35\u003cbr\u003e1.48 X 4.56 = 6.75\u003cbr\u003e\u003cbr\u003e1.41 X 3.79 = 5.34\u003cbr\u003e1.41 X 4.11 = 5.80\u003cbr\u003e1.41 X 4.29 = 6.05\u003cbr\u003e1.41 X 4.56 = 6.43\u003cbr\u003e\u003cbr\u003e1.37 X 3.79 = 5.19\u003cbr\u003e1.37 X 4.11 = 5.63\u003cbr\u003e1.37 X 4.29 = 5.88\u003cbr\u003e1.37 X 4.56 = 6.25\u003cbr\u003e\u003cbr\u003e1.34 X 3.79 = 5.08\u003cbr\u003e1.34 X 4.11 = 5.51\u003cbr\u003e1.34 X 4.29 = 5.75\u003cbr\u003e1.34 X 4.56 = 6.11\u003cbr\u003e\u003cbr\u003e1.31 X 3.79 = 4.96\u003cbr\u003e1.31 X 4.11 = 5.38\u003cbr\u003e1.31 X 4.29 = 5.62\u003cbr\u003e1.31 X 4.56 = 5.97\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225383805141,"sku":"2800131","price":8356.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/2840034.04-e1516584647832-1.jpg?v=1724981331"},{"product_id":"t400-output-shafts","title":"T400 OUTPUT SHAFTS","description":"Transmission output shaft with our 300m Billet input shaft.  This Combination is required when installing a Tubeworks Underdrive System on a Turbo 400 Transmission.","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225386688725,"sku":"2801100","price":1230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/2840100.01-e1516252026771-2.jpg?v=1724981343"},{"product_id":"mounting-plate","title":"MOUNTING PLATE","description":"Mounting Plate 1","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225389605077,"sku":"","price":937.88,"currency_code":"USD","in_stock":true}]},{"product_id":"underdrive-1-34","title":"UNDERDRIVE WITH 1.34 RATIO","description":"THE TUBEWORKS UNDERDRIVE IS A MUST FOR PROFESSIONAL OFF-ROAD TRUCKS. USING A TURBO 400 TRANSMISSION, THE UNDERDRIVE DECREASES THE RPM OF THE DRIVESHAFT WHICH ALLOWS THE RING AND PINION RATIO TO BE MUCH LOWER AND STRONGER. WHEN USING 37\", 39\", OR EVEN 42\" TIRES, THE NEED FOR A HIGH FINAL DRIVE NUMBER IS CRUCIAL. THE UNDERDRIVE ALLOWS THE DRIVETRAIN TO USE A LOW RATIO SUCH AS A 4.11 RING AND PINION, AND CORRECTS IT TO A FINAL DRIVE RATIO SUCH AS A 5:83. DEPENDING ON MOTOR COMBINATION (AS WELL AS TOP SPEED PREFERENCE AND WHEEL SIZE) WE CAN SET YOU UP WITH THE PROPER PLANETARY RATIO AND REAR END COMBO FOR MAXIMUM TORQUE OR MPH.\u003cbr\u003e\u003cbr\u003eTHIS UNIT WILL ALSO ALLOW A QUICK INTERCHANGE OF PLANETARY RATIOS FOR THOSE COMPETITORS THAT WISH TO HAVE A NUMERICALLY HIGH FINAL DRIVE RATIO FOR QUALIFYING SCENARIOS. IN A MATTER OF MINUTES THE FINAL DRIVE CAN GO FROM 5.43 TO 6.29 OR LOWER.\u003cbr\u003e\u003cbr\u003ePICTURED ON THIS UNDERDRIVE IS THE 8-RIB PULLEY THAT IS USED FOR ALTERNATOR APPLICATIONS.\u003cstrong\u003e[\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003ePULLEY IS AN UPGRADE AND IS NOT INCLUDED IN PRICING.\u003c\/em\u003e 8-RIB OR V-RIB STYLE PULLEYS ARE AVAILABLE.]\u003c\/strong\u003e EACH PLANETARY UNDERDRIVE IS LUBRICATED AND COOLED FROM THE TRANSMISSION.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[THE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.31 PLANET SET. (LOWEST RATIO)]\u003c\/strong\u003e 1.31 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 4.86 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.11 = 5.38 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.29 = 5.61 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e1.31 X 4.56 = 5.97 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[\u003c\/strong\u003e T\u003cstrong\u003eHE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.48 PLANET SET. (QUALIFYING RATIO)]\u003c\/strong\u003e 1.48 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 5.49 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.11 = 6.08 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.29 = 6.34 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.56 = 6.74 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[COMPLETE CHART]\u003c\/strong\u003e 1.56 X 3.79 = 5.91\u003cbr\u003e1.56 X 4.11 = 6.41\u003cbr\u003e1.56 X 4.29 = 6.69\u003cbr\u003e1.56 X 4.56 = 7.11\u003cbr\u003e\u003cbr\u003e1.48 X 3.79 = 5.61\u003cbr\u003e1.48 X 4.11 = 6.08\u003cbr\u003e1.48 X 4.29 = 6.35\u003cbr\u003e1.48 X 4.56 = 6.75\u003cbr\u003e\u003cbr\u003e1.41 X 3.79 = 5.34\u003cbr\u003e1.41 X 4.11 = 5.80\u003cbr\u003e1.41 X 4.29 = 6.05\u003cbr\u003e1.41 X 4.56 = 6.43\u003cbr\u003e\u003cbr\u003e1.37 X 3.79 = 5.19\u003cbr\u003e1.37 X 4.11 = 5.63\u003cbr\u003e1.37 X 4.29 = 5.88\u003cbr\u003e1.37 X 4.56 = 6.25\u003cbr\u003e\u003cbr\u003e1.34 X 3.79 = 5.08\u003cbr\u003e1.34 X 4.11 = 5.51\u003cbr\u003e1.34 X 4.29 = 5.75\u003cbr\u003e1.34 X 4.56 = 6.11\u003cbr\u003e\u003cbr\u003e1.31 X 3.79 = 4.96\u003cbr\u003e1.31 X 4.11 = 5.38\u003cbr\u003e1.31 X 4.29 = 5.62\u003cbr\u003e1.31 X 4.56 = 5.97\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225414738133,"sku":"2800134","price":8169.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/TW_Underdrive1.jpg?v=1724981444"},{"product_id":"underdrive-1-37","title":"UNDERDRIVE WITH 1.37 RATIO","description":"THE TUBEWORKS UNDERDRIVE IS A MUST FOR PROFESSIONAL OFF-ROAD TRUCKS. USING A TURBO 400 TRANSMISSION, THE UNDERDRIVE DECREASES THE RPM OF THE DRIVESHAFT WHICH ALLOWS THE RING AND PINION RATIO TO BE MUCH LOWER AND STRONGER. WHEN USING 37\", 39\", OR EVEN 42\" TIRES, THE NEED FOR A HIGH FINAL DRIVE NUMBER IS CRUCIAL. THE UNDERDRIVE ALLOWS THE DRIVETRAIN TO USE A LOW RATIO SUCH AS A 4.11 RING AND PINION, AND CORRECTS IT TO A FINAL DRIVE RATIO SUCH AS A 5:83. DEPENDING ON MOTOR COMBINATION (AS WELL AS TOP SPEED PREFERENCE AND WHEEL SIZE) WE CAN SET YOU UP WITH THE PROPER PLANETARY RATIO AND REAR END COMBO FOR MAXIMUM TORQUE OR MPH.\u003cbr\u003e\u003cbr\u003eTHIS UNIT WILL ALSO ALLOW A QUICK INTERCHANGE OF PLANETARY RATIOS FOR THOSE COMPETITORS THAT WISH TO HAVE A NUMERICALLY HIGH FINAL DRIVE RATIO FOR QUALIFYING SCENARIOS. IN A MATTER OF MINUTES THE FINAL DRIVE CAN GO FROM 5.43 TO 6.29 OR LOWER.\u003cbr\u003e\u003cbr\u003ePICTURED ON THIS UNDERDRIVE IS THE 8-RIB PULLEY THAT IS USED FOR ALTERNATOR APPLICATIONS.\u003cstrong\u003e[\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003ePULLEY IS AN UPGRADE AND IS NOT INCLUDED IN PRICING.\u003c\/em\u003e 8-RIB OR V-RIB STYLE PULLEYS ARE AVAILABLE.]\u003c\/strong\u003e EACH PLANETARY UNDERDRIVE IS LUBRICATED AND COOLED FROM THE TRANSMISSION.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[THE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.31 PLANET SET. (LOWEST RATIO)]\u003c\/strong\u003e 1.31 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 4.86 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.11 = 5.38 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.29 = 5.61 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e1.31 X 4.56 = 5.97 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[\u003c\/strong\u003e T\u003cstrong\u003eHE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.48 PLANET SET. (QUALIFYING RATIO)]\u003c\/strong\u003e 1.48 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 5.49 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.11 = 6.08 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.29 = 6.34 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.56 = 6.74 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[COMPLETE CHART]\u003c\/strong\u003e 1.56 X 3.79 = 5.91\u003cbr\u003e1.56 X 4.11 = 6.41\u003cbr\u003e1.56 X 4.29 = 6.69\u003cbr\u003e1.56 X 4.56 = 7.11\u003cbr\u003e\u003cbr\u003e1.48 X 3.79 = 5.61\u003cbr\u003e1.48 X 4.11 = 6.08\u003cbr\u003e1.48 X 4.29 = 6.35\u003cbr\u003e1.48 X 4.56 = 6.75\u003cbr\u003e\u003cbr\u003e1.41 X 3.79 = 5.34\u003cbr\u003e1.41 X 4.11 = 5.80\u003cbr\u003e1.41 X 4.29 = 6.05\u003cbr\u003e1.41 X 4.56 = 6.43\u003cbr\u003e\u003cbr\u003e1.37 X 3.79 = 5.19\u003cbr\u003e1.37 X 4.11 = 5.63\u003cbr\u003e1.37 X 4.29 = 5.88\u003cbr\u003e1.37 X 4.56 = 6.25\u003cbr\u003e\u003cbr\u003e1.34 X 3.79 = 5.08\u003cbr\u003e1.34 X 4.11 = 5.51\u003cbr\u003e1.34 X 4.29 = 5.75\u003cbr\u003e1.34 X 4.56 = 6.11\u003cbr\u003e\u003cbr\u003e1.31 X 3.79 = 4.96\u003cbr\u003e1.31 X 4.11 = 5.38\u003cbr\u003e1.31 X 4.29 = 5.62\u003cbr\u003e1.31 X 4.56 = 5.97\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225420210389,"sku":"2800137","price":8562.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/2840034.04-e1516584647832-1_9dcaa681-06f6-4287-8978-3b7259327aaa.jpg?v=1724981456"},{"product_id":"underdrive-1-41","title":"UNDERDRIVE WITH 1.41 RATIO","description":"THE TUBEWORKS UNDERDRIVE IS A MUST FOR PROFESSIONAL OFF-ROAD TRUCKS. USING A TURBO 400 TRANSMISSION, THE UNDERDRIVE DECREASES THE RPM OF THE DRIVESHAFT WHICH ALLOWS THE RING AND PINION RATIO TO BE MUCH LOWER AND STRONGER. WHEN USING 37\", 39\", OR EVEN 42\" TIRES, THE NEED FOR A HIGH FINAL DRIVE NUMBER IS CRUCIAL. THE UNDERDRIVE ALLOWS THE DRIVETRAIN TO USE A LOW RATIO SUCH AS A 4.11 RING AND PINION, AND CORRECTS IT TO A FINAL DRIVE RATIO SUCH AS A 5:83. DEPENDING ON MOTOR COMBINATION (AS WELL AS TOP SPEED PREFERENCE AND WHEEL SIZE) WE CAN SET YOU UP WITH THE PROPER PLANETARY RATIO AND REAR END COMBO FOR MAXIMUM TORQUE OR MPH.\u003cbr\u003e\u003cbr\u003eTHIS UNIT WILL ALSO ALLOW A QUICK INTERCHANGE OF PLANETARY RATIOS FOR THOSE COMPETITORS THAT WISH TO HAVE A NUMERICALLY HIGH FINAL DRIVE RATIO FOR QUALIFYING SCENARIOS. IN A MATTER OF MINUTES THE FINAL DRIVE CAN GO FROM 5.43 TO 6.29 OR LOWER.\u003cbr\u003e\u003cbr\u003ePICTURED ON THIS UNDERDRIVE IS THE 8-RIB PULLEY THAT IS USED FOR ALTERNATOR APPLICATIONS.\u003cstrong\u003e[\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003ePULLEY IS AN UPGRADE AND IS NOT INCLUDED IN PRICING.\u003c\/em\u003e 8-RIB OR V-RIB STYLE PULLEYS ARE AVAILABLE.]\u003c\/strong\u003e EACH PLANETARY UNDERDRIVE IS LUBRICATED AND COOLED FROM THE TRANSMISSION.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[THE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.31 PLANET SET. (LOWEST RATIO)]\u003c\/strong\u003e 1.31 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 4.86 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.11 = 5.38 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.29 = 5.61 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e1.31 X 4.56 = 5.97 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[\u003c\/strong\u003e T\u003cstrong\u003eHE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.48 PLANET SET. (QUALIFYING RATIO)]\u003c\/strong\u003e 1.48 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 5.49 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.11 = 6.08 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.29 = 6.34 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.56 = 6.74 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[COMPLETE CHART]\u003c\/strong\u003e 1.56 X 3.79 = 5.91\u003cbr\u003e1.56 X 4.11 = 6.41\u003cbr\u003e1.56 X 4.29 = 6.69\u003cbr\u003e1.56 X 4.56 = 7.11\u003cbr\u003e\u003cbr\u003e1.48 X 3.79 = 5.61\u003cbr\u003e1.48 X 4.11 = 6.08\u003cbr\u003e1.48 X 4.29 = 6.35\u003cbr\u003e1.48 X 4.56 = 6.75\u003cbr\u003e\u003cbr\u003e1.41 X 3.79 = 5.34\u003cbr\u003e1.41 X 4.11 = 5.80\u003cbr\u003e1.41 X 4.29 = 6.05\u003cbr\u003e1.41 X 4.56 = 6.43\u003cbr\u003e\u003cbr\u003e1.37 X 3.79 = 5.19\u003cbr\u003e1.37 X 4.11 = 5.63\u003cbr\u003e1.37 X 4.29 = 5.88\u003cbr\u003e1.37 X 4.56 = 6.25\u003cbr\u003e\u003cbr\u003e1.34 X 3.79 = 5.08\u003cbr\u003e1.34 X 4.11 = 5.51\u003cbr\u003e1.34 X 4.29 = 5.75\u003cbr\u003e1.34 X 4.56 = 6.11\u003cbr\u003e\u003cbr\u003e1.31 X 3.79 = 4.96\u003cbr\u003e1.31 X 4.11 = 5.38\u003cbr\u003e1.31 X 4.29 = 5.62\u003cbr\u003e1.31 X 4.56 = 5.97\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225423552725,"sku":"2800141","price":8169.25,"currency_code":"USD","in_stock":true}]},{"product_id":"underdrive-1-48","title":"UNDERDRIVE WITH 1.48 RATIO (QUALIFYING RATIO)","description":"THE TUBEWORKS UNDERDRIVE IS A MUST FOR PROFESSIONAL OFF-ROAD TRUCKS. USING A TURBO 400 TRANSMISSION, THE UNDERDRIVE DECREASES THE RPM OF THE DRIVESHAFT WHICH ALLOWS THE RING AND PINION RATIO TO BE MUCH LOWER AND STRONGER. WHEN USING 37\", 39\", OR EVEN 42\" TIRES, THE NEED FOR A HIGH FINAL DRIVE NUMBER IS CRUCIAL. THE UNDERDRIVE ALLOWS THE DRIVETRAIN TO USE A LOW RATIO SUCH AS A 4.11 RING AND PINION, AND CORRECTS IT TO A FINAL DRIVE RATIO SUCH AS A 5:83. DEPENDING ON MOTOR COMBINATION (AS WELL AS TOP SPEED PREFERENCE AND WHEEL SIZE) WE CAN SET YOU UP WITH THE PROPER PLANETARY RATIO AND REAR END COMBO FOR MAXIMUM TORQUE OR MPH.\u003cbr\u003e\u003cbr\u003eTHIS UNIT WILL ALSO ALLOW A QUICK INTERCHANGE OF PLANETARY RATIOS FOR THOSE COMPETITORS THAT WISH TO HAVE A NUMERICALLY HIGH FINAL DRIVE RATIO FOR QUALIFYING SCENARIOS. IN A MATTER OF MINUTES THE FINAL DRIVE CAN GO FROM 5.43 TO 6.29 OR LOWER.\u003cbr\u003e\u003cbr\u003ePICTURED ON THIS UNDERDRIVE IS THE 8-RIB PULLEY THAT IS USED FOR ALTERNATOR APPLICATIONS.\u003cstrong\u003e[\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003ePULLEY IS AN UPGRADE AND IS NOT INCLUDED IN PRICING.\u003c\/em\u003e 8-RIB OR V-RIB STYLE PULLEYS ARE AVAILABLE.]\u003c\/strong\u003e EACH PLANETARY UNDERDRIVE IS LUBRICATED AND COOLED FROM THE TRANSMISSION.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[THE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.31 PLANET SET. (LOWEST RATIO)]\u003c\/strong\u003e 1.31 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 4.86 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.11 = 5.38 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.31 X 4.29 = 5.61 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e1.31 X 4.56 = 5.97 (FINAL DRIVE)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[\u003c\/strong\u003e T\u003cstrong\u003eHE MATH TO DETERMINE FINAL DRIVE IS AS FOLLOWS USING A 1.48 PLANET SET. (QUALIFYING RATIO)]\u003c\/strong\u003e 1.48 (PLANET RATIO) X 3.71 (R\u0026amp;P RATIO) = 5.49 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.11 = 6.08 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.29 = 6.34 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e1.48 X 4.56 = 6.74 (FINAL DRIVE RATIO)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e[COMPLETE CHART]\u003c\/strong\u003e 1.56 X 3.79 = 5.91\u003cbr\u003e1.56 X 4.11 = 6.41\u003cbr\u003e1.56 X 4.29 = 6.69\u003cbr\u003e1.56 X 4.56 = 7.11\u003cbr\u003e\u003cbr\u003e1.48 X 3.79 = 5.61\u003cbr\u003e1.48 X 4.11 = 6.08\u003cbr\u003e1.48 X 4.29 = 6.35\u003cbr\u003e1.48 X 4.56 = 6.75\u003cbr\u003e\u003cbr\u003e1.41 X 3.79 = 5.34\u003cbr\u003e1.41 X 4.11 = 5.80\u003cbr\u003e1.41 X 4.29 = 6.05\u003cbr\u003e1.41 X 4.56 = 6.43\u003cbr\u003e\u003cbr\u003e1.37 X 3.79 = 5.19\u003cbr\u003e1.37 X 4.11 = 5.63\u003cbr\u003e1.37 X 4.29 = 5.88\u003cbr\u003e1.37 X 4.56 = 6.25\u003cbr\u003e\u003cbr\u003e1.34 X 3.79 = 5.08\u003cbr\u003e1.34 X 4.11 = 5.51\u003cbr\u003e1.34 X 4.29 = 5.75\u003cbr\u003e1.34 X 4.56 = 6.11\u003cbr\u003e\u003cbr\u003e1.31 X 3.79 = 4.96\u003cbr\u003e1.31 X 4.11 = 5.38\u003cbr\u003e1.31 X 4.29 = 5.62\u003cbr\u003e1.31 X 4.56 = 5.97\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"1.54 \/ 1.54","offer_id":51402453385429,"sku":"2800148","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.54 \/ 1.48","offer_id":51402453418197,"sku":"2800149","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.54 \/ 1.46","offer_id":51402453450965,"sku":"2800150","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.48 \/ 1.54","offer_id":51402453483733,"sku":"2800151","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.48 \/ 1.48","offer_id":51402453516501,"sku":"2800152","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.48 \/ 1.46","offer_id":51402453549269,"sku":"2800153","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.46 \/ 1.54","offer_id":51402453582037,"sku":"2800154","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.46 \/ 1.48","offer_id":51402453614805,"sku":"2800155","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.46 \/ 1.46","offer_id":51402453647573,"sku":"2800156","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.44 \/ 1.54","offer_id":51402453680341,"sku":"2800157","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.44 \/ 1.48","offer_id":51402453713109,"sku":"2800158","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.44 \/ 1.46","offer_id":51402453745877,"sku":"2800159","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.41 \/ 1.54","offer_id":51402453778645,"sku":"2800160","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.41 \/ 1.48","offer_id":51402453811413,"sku":"2800161","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.41 \/ 1.46","offer_id":51402453844181,"sku":"2800162","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.37 \/ 1.54","offer_id":51402453876949,"sku":"2800163","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.37 \/ 1.48","offer_id":51402453909717,"sku":"2800164","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.37 \/ 1.46","offer_id":51402453942485,"sku":"2800165","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.34 \/ 1.54","offer_id":51402453975253,"sku":"2800166","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.34 \/ 1.48","offer_id":51402454008021,"sku":"2800167","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.34 \/ 1.46","offer_id":51402454040789,"sku":"2800168","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.31 \/ 1.54","offer_id":51402454073557,"sku":"2800169","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.31 \/ 1.48","offer_id":51402454106325,"sku":"2800170","price":8958.5,"currency_code":"USD","in_stock":true},{"title":"1.31 \/ 1.46","offer_id":51402454139093,"sku":"2800171","price":8958.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/TW_Underdrive1_76963db1-4cad-495b-8a68-752a89201233.jpg?v=1745286732"},{"product_id":"tw-crosstiex-lp-billet-third-member-system","title":"TW-CrossTie Billet Ford 9\" \/ 10\" \/ 10.6\" Third Member Race System","description":"A fundamentally different approach to the traditional third member assemblies. The TW-CrossTie X-LP system can dramatically improve gear life through measurable improvements in gear position control and is designed to utilize the Tubeworks Championship winning DUPLX triple bearing pinion cassette \/ support.\u003cbr\u003e\u003cbr\u003eThe Patent Pending TW-CrossTie X-LP is designed with a constrained rotating girdle system that virtually eliminates problematic case \/ bearing cap spreading.  In addition, it constrains the ring gear to the pinion side of the case.  The ring gear is now pulling on the thick, structural side of the case.  A traditional third member the ring gear pushes on the opposite side of the case, past where there is a massive cut out. This physically spreads the bearing caps under load and is well documented.  In more specific terms, the system results in 92% less bearing cap load and stops case deflection.\u003cbr\u003e\u003cstrong\u003eMore Notable Features of the TW-CrossTie X-LP:\u003c\/strong\u003e \u003cul\u003e\n\u003cli\u003eMachined from aerospace grade weldable, aluminum alloy billet, the TW CrossTie X-LP has a reduced case structure and 24 lbs of weight savings\u003c\/li\u003e\n\u003cli\u003eAluminum alloy actually helps increase girdle clamp-up force between 200 to 300 degrees F, opposite function of a traditional billet or cast aluminum case.\u003c\/li\u003e\n\u003cli\u003eFits 100% of every existing Ford 9” concept housing with minimal to no housing modification.\u003c\/li\u003e\n\u003cli\u003eInternally reinforced smooth pyramid type design that resists debris build-up.\u003c\/li\u003e\n\u003cli\u003eAccepts all current 9, 9.5, 10’s and the new True 10 gears coming in 2021.\u003c\/li\u003e\n\u003cli\u003eEmpty Case weighs in at 11.5 lbs\u003c\/li\u003e\n\u003cli\u003eComplete 10” 4.11 Assembly weighs in at 66 lbs.\u003c\/li\u003e\n\u003cli\u003eOptional 3.812 or 3.25 spanner conversion rings allow ALL aftermarket differential \/ locker units to be used. {Loss of rotating girdle function will result}\u003c\/li\u003e\n\u003c\/ul\u003e \u003cstrong\u003e Billet 10\" COMPLETE assembly includes standard 10\" gears and is priced at $6190.00 (phone orders only) \u003c\/strong\u003e TW DUPLX triple bearing pinion support, Billet locking Yoke, ARP ring gear bolts, ARP pinion support bolts, TW rotating girdle 36 spline spool system, all bearings, solid spacers, locks, load bolts, seals and hardware. Includes 10\" Ring and pinion with set up.  ( 35 spline reducer available @ $299.00)\u003ch1\u003e***** Also available in High Pinion configuration*****\u003c\/h1\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225461203157,"sku":"","price":5990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/APC_0183-scaled.jpg?v=1724981585"},{"product_id":"1350-billet-yoke-caps","title":"1350 BILLET YOKE CAPS","description":"TUBEWORKS BILLET 1350 YOKE CAPS - Heat Treated 4140, Low Profile Caps with 5\/16-24\" 6 pt grade 8 Bolts\u003cbr\u003e\u003cbr\u003eYoke pictured is not included with yoke cap purchase.\u003cbr\u003e\u003cbr\u003e","brand":"Tubeworks","offers":[{"title":"Default Title","offer_id":49225472049365,"sku":"2780150-1","price":137.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7400\/3925\/files\/IMG_4426-e1629918104778.jpg?v=1724981602"}],"url":"https:\/\/tubeworks.com\/collections\/drive-train-products.oembed","provider":"Tubeworks","version":"1.0","type":"link"}