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GM
- GM 6-Speed T56 Transmission
- Without clutch housing
- Has Ford gear ratios
- These Tremec T56 transmissions are in some of the auto world's top performers: Ford Mustang Cobra, Dodge Viper, and Aston Martin Vantage & Vanquish.
- 450 ft/lbs torque capacity
- Die-cast aluminum housings reduce weight
- Advanced synchronizers
- Tapered roller bearings on shafts minimize noise and wear
- Powdered steel core blocker rings & engineered friction materials
- Patented strut-type design for durability
- Internal, single-rail shift system
- 8.13 pints of fluid required
- Needle bearings under all speed gears improve high-speed performance & lessen shift effort
- Two overdrives allow extended ratio coverage and closer gear ratios
- Constant mesh synchronized Reverse
Ford Specs - 1-1/16" 10-spline input, 31-spline output
- Gear Ratios* 1st 2.97, 2nd 2.07, 3rd 1.43, 4th 1.00, 5th .80, 6th .62, Reverse 3.28
*Including GM part #957-1386000011
GM Specs - 1-1/8" 26-spline input, 27-spline output
- Gear Ratios** 1st 2.66, 2nd 1.78, 3rd 1.30, 4th 1.00, 5th .74, 6th .50, Reverse 2.90
**Except GM part #957-1386000011
Shared Features
Product LineTremec 6-Speed T56 Transmissions
BrandSTEEDA
Package Height19.5
Package Width21.5
Package Length38.5
Weight175.0 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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