Product Summary

Many Transmissions, 43.25" Centerline of Holes, Steel

    Key Specs

    MFG. Part #RCAEC1
    BrandG Force Crossmembers
    Material TypeSteel

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    G Force Crossmembers RCAEC1 Details

    G Force Performance is the premiere source for transmission crossmembers. Whether you're looking for an upgrade from stock components or parts crossmember to accommodate your all of your transmission needs and provides clearance for large diameter aftermarket dual exhaust systems. Finished in a black powder coat and includes new mounting hardware.

    Note: 1964-1967 Convertible or boxed frame- the distance between crossmember frame holes is approximately 43-1/4". Measure your frame or crossmember to insure proper selection

    • Fits 1964-1967 GM A-Body Convertible to install automatic transmissions: Powerglide, TH200, TH250, TH350, 700R4, 4L60, 4L60E.
    • Installs manual transmissions: Saginaw, Muncie, T-10, Super T-10, Tremec T5, TKO-500/600, & GM T5.
    • Mounting hardware included
    • This crossmember is installed with the GForce label facing the REAR of the vehicle.
    • Some vehicles of this generation are equipped with a crossmember that bolts directly to the vehicles frame rail, while others are equipped with a crossmember that utilizes a tab that sets on the frame rail and is then clamped by a steel cap that is embedded with a rubber liner. The RCAE crossmember bolts directly to the frame rail and utilizes the factory frame holes. To utilize the provided 7/16 hardware it is necessary to enlarge the holes in the frame rails with a 1/2" drill. If the installer chooses to utilize the stock size 3/8 hardware, it is strongly recommended that the installer obtain Grade 8 fasteners and washers to compensate.


    Fits the following transmissions: TH350, Muncie, Powerglide, T-10, 700R4, 4L60, 4L60E, super T-10, Saginaw, TH200. Finished in a black powder coat. Includes new mounting hardware. Purchase transmission mount separately. p/n GMTM.

    G Force Crossmembers RCAEC1 Specifications

    MFG. Part #RCAEC1
    BrandG Force Crossmembers
    Material TypeSteel
    Speedway Motors Catalog Part #640-64671C
    Centerline of Holes43.25"
    FinishPowder Coated
    Sold in QuantityEach
    NotesPlease note that G-Force crossmembers do not include the G-Force logo sticker as shown in the picture. This decal is shown for brand reference only.