Automatic Transmission Shift Kits

Transmission Upgrade Kit, Transpak, GM, 700R4, 4L60, Each

Part Number: BMM-70235

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Conversion Kit, 1968-70 Chevelle 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-2RVB

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Conversion Kit, 1971-72 Chevelle 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-3RVB

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Conversion Kit, 1968-70 Chevelle 4-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit 4L80E, 4L85E

Part Number: SIW-SC2252-RVB

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Conversion Kit, 1971-72 Chevelle 4-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit 4L80E, 4L85E

Part Number: SIW-SC2253-RVB

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Conversion Kit, 1971-72 Chevelle 4-Spd Auto Reverse Valve Body Factory Shifter Conversion Kit, features Slap-Shift

Part Number: SIW-SC2243-RVB

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Conversion Kit, 1968-69 Impala 4-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit 4L80E, 4L85E

Part Number: SIW-SC225-RVB

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Conversion Kit, 1968-69 Impala 4-Spd Auto Reverse Valve Body Factory Shifter Conversion Kit, features Slap-Shift

Part Number: SIW-SC224-RVB

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Conversion Kit, 1968-70 Chevelle 4-Spd Auto Reverse Valve Body Factory Shifter Conversion Kit, features Slap-Shift

Part Number: SIW-SC2242-RVB

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Conversion Kit, 1968-69 Impala 3-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit TH350, TH400, features Slap-Shift function

Part Number: SIW-C350-RVB

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Estimated Ship Date: Dec 1, 2025 if ordered today

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