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Part fits the following years:1964, 1965, 1966, 1967

G Force Performance

1964-67 GTO Transmission Crossmember (Aftermarket) Hardtop/Coupe (Open Frame) TH400, 200-4R

Part# CH28439


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SAVE: $28.96 Retail: $318.95

OPGI Price: $289.99

Part Type: (P) High Performance, designed to improve performance TH = Turbo Hydramantic shift transmissions
Years: Sold As: EACH

Heavy-duty, welded steel construction

  • NOTE1: Crossmembers bolt directly to the frame using the existing holes from the OEM saddle clamp. No insulator is required.
  • NOTE2: 68-72 CH28439 Will work on some 1967 models with 8-holes per frame rail.
  • SHIP NOTE: This item as packaged measures over 48" in length, and/or 30" in width or height and is subject to an additional handling surcharge of $12.95. more info

Our transmission crossmembers are precisely manufactured in the USA using only top-quality materials. Available for a variety of transmission applications, these heavy-duty crossmembers utilize 2” x 2” mild steel tubing, 1/2” plate for dual exhaust humps, 3/16” plate for end mounts as well as Grade 8 hardware. Each crossmember is painted a gray Hammertone color and also features detailed instructions for a painless installation.

Make & ModelYear RangeApplication Details
Chevrolet Chevelle1964-1967 (Open Frame) TH400, 200-4R
Chevrolet Chevelle1964-1972 (Open Frame) TH400, 200-4R, 4L80E
Chevrolet Monte Carlo1970-1972 (Open Frame) TH400, 200-4R, 4L80E
Pontiac GTO1964-1967 (Open Frame) TH400, 200-4R
Pontiac GTO1968-1972 (Open Frame) TH400, 200-4R, 4L80E
Pontiac LeMans1964-1967 (Open Frame) TH400, 200-4R
Pontiac LeMans1968-1972 (Open Frame) TH400, 200-4R, 4L80E
Pontiac Tempest1964-1967 (Open Frame) TH400, 200-4R
Pontiac Tempest1968-1972 (Open Frame) TH400, 200-4R, 4L80E
Pontiac Grand Prix1969-1972 (Open Frame) TH400, 200-4R, 4L80E
Olds Cutlass/4421964-1967 (Open Frame) TH400, 200-4R
Olds Cutlass/4421964-1972 (Open Frame) TH400, 200-4R, 4L80E
Buick Skylark1964-1967 (Open Frame) TH400, 200-4R
Buick Skylark1964-1972 (Open Frame) TH400, 200-4R, 4L80E
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