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1973 Pontiac Firebird Crossmembers

Looking for aftermarket parts to modify or upgrade your 1973 Pontiac Firebird with crossmembers? At Tunersports.com we carry a huge selection of the top name brand performance crossmember parts and accessories.

Crossmember Parts:

Only show in-stock parts

UMI Performance Transmission Crossmembers

OUT OF STOCK 260810-B 100% Made In USA... UMI Performance 70-74 GM F-Body LS Swap/T56 Kit 1970-1974 Pontiac Firebird Base / Esprit / Formula / Trans Am $469.99 Details
OUT OF STOCK 260810-R 100% Made In USA... UMI Performance 70-74 GM F-Body LS Swap/T56 Kit 1970-1974 Pontiac Firebird Base / Esprit / Formula / Trans Am $469.99 Details
OUT OF STOCK 2610-B 100% Made In USA... UMI Performance 70-74 GM F-Body T56/T56 Magnum Transmission Crossmember 1970-1974 Pontiac Firebird Base / Esprit / Formula / Trans Am $281.59 Details
OUT OF STOCK 2610-R 100% Made In USA... UMI Performance 70-74 GM F-Body T56/T56 Magnum Transmission Crossmember 1970-1974 Pontiac Firebird Base / Esprit / Formula / Trans Am $281.59 Details