Except for their gear ratios, American Powertrain Tremec T-56 Magnum manual transmissions are truly brand new from the ground up. They can withstand up to 700 ft.-lbs. of torque, with gears featuring substantially increased face widths and 2-piece laser-beam welded construction, allowing for greater control of the tooth angles, pitch, and alignment.
Transmission, Manual, Tremec T-56, 6-Speed, 1 1/8 in. 26-Spline, Chevy
Additional benefits include:
* Bolstered one-piece countershaft to resist distortion
* Stronger input shaft
* New synchronizers featuring fine tooth angles
* Redesigned shift forks
* An extensively modified transmission case to prevent leaks under high-stress conditions and increase overall power-handling capabilities
Number of Gears: Six
Input Shaft Diameter: 1.125 in.
Input Spline Quantity: 26
Output Shaft Spline Quantity: 31
Bellhousing Included: No
Yoke Included: No
Shifter Included: Yes
First Gear Ratio: 2.66:1
Second Gear Ratio: 1.78:1
Third Gear Ratio: 1.30:1
Fourth Gear Ratio: 1.00:1
Fifth Gear Ratio: 0.80:1
Sixth Gear Ratio: 0.63:1
Case Material: Aluminum
Quantity: Sold individually.
Transmission Type: T-56
Make: CHEVROLET
Engine Type: V8
Engine Family: Gen V, Chevy small block Gen III/IV (LS-based engines), Gen VI, Mark IV, Gen I, Gen II (LT-based engines)
Bellhousing Bolt Pattern: Chevy
Notes: Designed for electronic or mechanical speedometers (7-tooth). Designed for use with hydraulic throwout bearing. They can be combined with any GM engine; big block, small block, or LS when using the correct bell housing. Some applications will require tunnel modifications, torque arm relocation, or a new driveshaft.
