Transmissions & Transmission Parts

American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1955-1957 BEL AIR - COGM-B1J

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

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Estimated Ship Date: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1975-1986 C10, 1960-1974 C10 PICKUP, 1988-1999 C1500 - COGM-T1G

Transmission Combo, Tremec T-56, 6-Speed, Chevy, 2.66:1 First Gear, 0.63:1 Fifth Gear, Kit

Part Number: AWR-COGM-T1G

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1968-1972 CHEVELLE, EL CAMINO - COGM-A2G

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1968-72 GM A-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-A2G

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1970-1974 CAMARO, FIREBIRD - COGM-F2G

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1970-74 GM F-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-F2G

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits COGM-A1G

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1964-67 GM A-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-A1G

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1975-1981 CAMARO, FIREBIRD - COGM-F3J

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1975-81 GM F-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-F3J

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Estimated Ship Date: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1968-1972 CHEVELLE, EL CAMINO - COGM-A2J

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1968-72 GM A-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-A2J

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits COGM-A1J

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1964-67 GM A-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-A1J

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1955-1957 BEL AIR - COGM-B1G

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: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

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American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits for 1970-1974 CAMARO, FIREBIRD - COGM-F2J

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1970-74 GM F-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-F2J

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

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