Availability
When it’s time to upgrade your transmission, turn to the torque transfer pros at American Powertrain! They specialize in Tremec 5- and 6-speed gearboxes and also...
When it’s time to upgrade your transmission, turn to the torque transfer pros at American Powertrain! They specialize in Tremec 5- and 6-speed gearboxes and also build a full line of accessories and installation kits designed to make your next swap go like clockwork. Summit Racing offers American Powertrain transmissions, transmission installation kits, crossmembers, flywheels, clutch pedal assemblies, and more—everything you need to convert your muscle car to modern drivetrain technology. Make the shift to American Powertrain—shop now!
When it’s time to upgrade your transmission, turn to the torque transfer pros at American Powertrain! They specialize in Tremec 5- and 6-speed gearboxes and also build a full line of accessories and installation kits designed to make your next swap go like clockwork. Summit Racing offers American Powertrain transmissions, transmission installation kits, crossmembers, flywheels, clutch pedal assemblies, and more—everything you need to convert your muscle car to modern drivetrain technology. Make the shift to American Powertrain—shop now!
Black Shifter Ball 5-Speed
Part Number: AWR-SKUN-10005K
Not Yet Reviewed
Estimated Ship Date: Jul 31, 2025 if ordered today
Estimated Ship Date: Jul 31, 2025 if ordered today
Grey Shifter Ball 5-Speed
Part Number: AWR-SKUN-10013K
Not Yet Reviewed
Estimated Ship Date: Jul 31, 2025 if ordered today
Estimated Ship Date: Jul 31, 2025 if ordered today
Black #SaveTheStick Shifter Ball Billet Aluminum 2" 5-Speed fits 3/8"-16 and 3/8"-24 shifter handle includeds adapters
Part Number: AWR-SKUN-10015K
Not Yet Reviewed
Estimated Ship Date: Jul 31, 2025 if ordered today
Estimated Ship Date: Jul 31, 2025 if ordered today
Shift Knob, Round, Billet Aluminum, Gunmetal Anodized, 6-Speed Pattern with Logo, Manual Transmission, Each
Part Number: AWR-SKUN-10014K
Not Yet Reviewed
Estimated Ship Date: Jul 2, 2025 if ordered today
Estimated Ship Date: Jul 2, 2025 if ordered today
Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1955-57 Tri-5 Chevy, 2.66:1 First Gear, 0.63:1 Sixth, Kit
Part Number: AWR-COGM-B1G
Not Yet Reviewed
Estimated Ship Date: Aug 4, 2025 if ordered today
Estimated Ship Date: Aug 4, 2025 if ordered today
Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1955-57 Tri-5 Chevy, 2.97:1 First Gear, 0.50:1 Sixth, Kit
Part Number: AWR-COGM-B1J
Not Yet Reviewed
Estimated Ship Date: Aug 4, 2025 if ordered today
Estimated Ship Date: Aug 4, 2025 if ordered today
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