These 1978-88 G-Body crossmembers are made from 1-1/2'' x 2-1/2'' x .120'' Rectangular Tubing. Double hump design is made to be used with dual exhaust kit 555-30556 and headers 289-85121 (black painted) or 289-86121 (cerama-coat). Hardware not included.
Note: Crossmember is designed for 1978-88 G-Body that was originally equipped with a SB-Chevy. Does not fit ANY Cutlass Supreme models or El Camino. Designed for use with #555-30556 exhaust kit and 289-85121 or 289-86121 headers. Engine and transmission swaps may require some fitment of all items.
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