Doug's Transmission Crossmember - Bolt-On - Black - LS-Swap - GM Fullsize Truck 1963-72 29522510 Six-point socket fits 3" axle

Six-point socket fits 3" axle hex nuts

610 in OD Steps

1975-1987 Chevrolet C20

Steel rod with bronze tip

Each rear fenderwell kit has a Pittsburgh locking seam as well as having bead rolls for additional strength

Doug's Transmission Crossmember - Bolt-On - Black - LS-Swap - GM Fullsize Truck 1963-72 29522510 Six-point socket fits 3" axleProduct Description: Transmission Crossmember Bolt On Steel Black Powder Coat LS Swap GM Fullsize Truck 1963 72 Dougs Headers, the most respected name in the header industry since the 60s, began in 1958 as a small muffler shop in East Los Angeles, California. Every Dougs header comes with all the necessary mounting hardware, collector reducers or connector pipes, premium gaskets and detailed installation instruction sheets. Our extra thick gaskets are