American Powertrain Transmission & Drivetrain

ProFit TKX Combo Kit for 1975-81 Chevy F-body Camaro, Firebird and TransAm .81 OD

Part Number: AWR-COGM-F3DX

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1975-81 GM F-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-F3G

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Tremec 5 speed 4050 transmission 600 lb-ft torque, Max RPM 5600, 23 spline output, 10 spline input, 6.16,3.11,1.71,1.0,.76 4WD NV4500 bolt pattern

Part Number: AWR-TDET17341

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Estimated Ship Date: Dec 22, 2025 if ordered today

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MAGNUM XL 6-Speed for GM 26-spline input/31-spline output, 2.66 1st, 1.78 2nd, 1.30 3rd, 1:1 4th, .80 5th, .50 6th. Recommended for up to 700hp appl

Part Number: AWR-TUET18131

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Estimated Ship Date: Dec 22, 2025 if ordered today

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MAGNUM XL 6-Speed for GM 26-spline input/31-spline output, 2.97 1st, 1.78 2nd, 1.30 3rd, 1:1 4th, .80 5th, .63 6th. Recommended for up to 700hp appl

Part Number: AWR-TUET18132

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Estimated Ship Date: Dec 22, 2025 if ordered today

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