C3 Corvette Transmission Mount | RCC3‑700 68-80 Crossmember — G Force Performance Products
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Transmission Crossmember 1968-1981 C3 Corvette Crossmember. Our Transmission Crossmember Fits 700R4, 4L60, 4L60E.
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1968-1980 C3 Corvette Crossmember | RCC3-700

by G Force Performance Products
SKU RCC3-700
$415.00

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Product Information

Description

C3 Corvette crossmember (1968–1980)

  • Fits Models: C3 Corvette
  • Fits Years: 68-80

C3 Corvette crossmember transmission fitment

  • Fits Transmissions: 700R4, 4L60, Pre-1996 4L60E, TKO-500, TKO-600, TKX, 2WD-AR5 .
  • We recommend a polyurethane transmission mount.  The GMTM is sold separately. 
Boss Hog Torque Converters recommended for this application:

C3 Corvette crossmember (1968–1980)

  • Fits Models: C3 Corvette
  • Fits Years: 68-80

C3 Corvette crossmember transmission fitment

  • Fits Transmissions: 700R4, 4L60, Pre-1996 4L60E, TKO-500, TKO-600, TKX, 2WD-AR5 .
  • We recommend a polyurethane transmission mount.  The GMTM is sold separately. 
Boss Hog Torque Converters recommended for this application:


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Specifications

Weight: 32 lbs

Shipping Dimensions: 52 × 11 × 6 In

Finish: Black Powder Coated

Mounting Hardware: Bottom-Up Bolts included. The installer must reuse the long horizontal bolts.

See the G Force Crossmember Overview for more info.

This crossmember is installed with the G Force label facing the rear of the vehicle. However, another determining feature is the crossmember center tube has a bracket welded to the back to accept the factory brake cable pulley.

This crossmember is installed so that the exhaust clearance humps are closed on the top and open on the bottom.See the G Force Crossmember Overview for more info.

This crossmember is installed with the G Force label facing the rear of the vehicle. However, another determining feature is the crossmember center tube which has a 1/2″ drain slot that is positioned on the bottom and on the passenger side next to the hump weldment.

This crossmember is installed so that the exhaust clearance humps are closed on the top and open on the bottom.

To use the provided 7/16″ hardware it is necessary to enlarge holes in your frame rails with a 1/2″ drill. If you choose to use the stock size 3/8″ hardware, it is strongly recommended to use new Grade #8 fasteners to compensate.

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