Fits 1955 - 1957 Chevrolet Full Size LS Series X system 2-1/2" Turbo Exhaust System 63098 key-fobs 1L l6 1969 - 1972

1L l6 1969 - 1972 Chevrolet Chevelle Concours Estate 307/5

8 V6 1978 - 1980 Oldsmobile Starfire 231/3

Bolt on 57

5 RH Thread | Outer sleeve thread size: 5/8"x18 RH Thread | Heim: 5/8" x 5/8" Teflon lined | Applications: 1988-96 C4 Corvette

6L V8 1974 Pontiac Ventura Base 250/4

Fits 1955 - 1957 Chevrolet Full Size LS Series X system 2-1/2" Turbo Exhaust System 63098 key-fobs 1L l6 1969 - 19721955 1957 Chevrolet Full Size LS Series X system 2 1 2" turbo sedan and hardtop. Fits LS 1, 2, 3 and 6 engines and 2000 and up Vortec truck engines. Uses Eckler's LS headers (not included). System cannot be used with framehorns. Turbo exhaust systems are designed to accommodate after market shock bar kits. Flanges must be welded on exhaust pipes. Clamp and hanger kit is included with this system. Comes with Quickflow mufflers. For the same system but