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Valve Body (Premium) (w/ Reverse Check Ball) (87-Up) (P34740-5)
Valve Body Kit, Reprogramming Kit, 3L80, 400 Heavy Duty HD & Competition (1965-1998) (400-1&2)
Valve Body Kit, Reprogramming Kit, 3L80, 400 Manual Shift, Competition Only (1965-1998) (400-3)
Valve Body Kit, Reverse Cushion Kit, 3L80, 400 Corrects Harsh & Bang Reverse (1965-1998)
Boost Valve & Sleeve (Progressive Line Pressure Increase) S34507F 400-LB1
Reverse Boost Valve Kit (“Factory” Style) (S34507RCK) (34910-05K)
Reverse Boost Valve Kit (Includes O-Rings) (S34507RK) (34910-01K)
Connector, 3L80, 400 1 Prong Small OD (1964) (2977975) (5A-101) Please order 44369B for O-ring
GM Turbo 400 Automatic Transmission 2nd Design Governor (1965-1998) (8623852).