1980 GMC TransGo Performance Transmissions

Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit

Part Number: TRG-350-1-2

4.41 out of 5 stars ( 56 )

Estimated Ship Date: Tomorrow

Shift Kit, Performance, Gaskets, Pro-Race, Heavy Duty, Super Show Off, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit

Part Number: TRG-400-PRO

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400, 1965-95, Kit

Part Number: TRG-400-1-2

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

Shift Kit, Performance, Full Manual or Automatic Capability, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400

Part Number: TRG-400-3

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit

Part Number: TRG-350-3

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

Valve Body Repair, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, TH250, TH250C, TH350, TH350C, Kit

Part Number: TRG-SK350

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Automatic Shift Kit, THM400, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Kit

Part Number: TRG-SK400

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Boost Valve/Bushing, Intermediate and Reverse, 700R4/200-4R, Kit

Part Number: TRG-7-300

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

TV Boost Valve, .500, Racing, Pro-Street, 700R4/200-4R, Kit

Part Number: TRG-7-500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Boost Valve/Bushing, .472 TV, 700R4/200-4R, Towing/Heavy Duty/Off-Road, Kit

Part Number: TRG-7-472

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

SHIFT KIT Valve Body Repair Kit, THM 200/C 1979-87 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK279

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Boost Valve/Bushing, .422 TV, 700R4/200-4R, Kit

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Tomorrow

SHIFT KIT Valve Body Repair Kit, TH325 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK325

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Specialty Components, TH200C Front Pump Lock-up Valve Kit

Part Number: TRG-200-LU

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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