Skip to content

1977-1990 B-Body Crossmember | RCB3-700

$299.00
SKU RCB3-700

Notify me when back in stock

  • Fits Models: Impala, LeSabre, Estate, Custom Cruiser, 88, Bonneville, Parisienne, Catalina, Laurentian, Safari
  • Fits Years: 77-90
  • Fits Transmissions: 700R4, 4L60, 4L60E, TKO 500, TKO 600
  • The RCB3-700 is designed for the 700R4 transmission with a case mount transmission mount. For a 700R4 with a tailshaft mount purchase the RCB3-400 crossmember instead.
  • Engineered with 2 mounting slots to accept a standard height transmission mount.
  • We recommend a polyurethane transmission mount. The GMTM is sold separately. 

Customer Reviews

No reviews yet
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Product Description

The G Force Patented Transmission Crossmember

Performance Engineered from Start to Finish

Performance
Engineered

Engineered and independently tested to withstand the rigors of the track, each crossmember exceeds the demands of even the most challenging roads.

Easy Installation.
It’s Foolproof!

Our unique bolt-to-frame design eliminates cutting and welding. The distinctive double-hump accommodates true dual exhaust. A G Force crossmember is guaranteed to be a perfect fit.

SHOPTALK

Years

1977 | 1978 | 1979 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990

Models

Buick: Le Sabre, Estate
Chevrolet: Impala
Oldsmobile: 88, Custom Cruiser
Pontiac: Bonneville, Parisienne, Catalina, Laurentian, Safari

Transmissions

700R4 | 4L60 | 4L60E | TKO 500 | TKO 600

Specifications

Weight: 32 lbs

Shipping Dimensions: 53 × 11 × 7 In

Finish: Black Powder Coated

Mounting Hardware: Included

Customer Reviews

No reviews yet
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)