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    G Force Performance

    GTO Transmission Crossmember (Aftermarket) Hardtop/Coupe (open frame) TH400, 200-4R, 4L80E Fits 1968-72 GTO+ 7 other models

    Retail Price $318.95 You Save $28.96
    OPGI Price$289.99
    Part# CH28439
    Arriving Soon
    Estimated to arrive the week of 07/05/2019

    Heavy-duty, welded steel construction.

    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.

    • Crossmembers bolt directly to the frame using the existing holes from the OEM saddle clamp. No insulator is required.
    • 68-72 CH28439 Will work on some 1967 models with 8-holes per frame rail.
    • High Performance, designed to improve performance TH = Turbo Hydramantic shift transmissions
    • Find in OPGI's 2018 GTO Catalog page 420.
    • SHIP NOTE: This item exceeds standard size and is exempt from free shipping. more info
    • 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 $15.95. more info
    California Prop 65 Icon WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

    Vehicle Fitment

    Make & ModelYear RangeApplication Details
    Buick Skylark1964-1967 (Open Frame) TH400, 200-4R
    Buick Skylark1964-1972 (Open Frame) TH400, 200-4R, 4L80E
    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
    Oldsmobile Cutlass/4421964-1967 (Open Frame) TH400, 200-4R
    Oldsmobile Cutlass/4421964-1972 (Open Frame) TH400, 200-4R, 4L80E
    Pontiac Grand Prix1969-1972 (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

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