Fits 1973-1974 GM C-10/20 2WD 1-7/8", LS Swap Long Tube Header-S/S 70101304-RHKR ignition-cylinders Rear Axle Type: 8-3/4 inch

Rear Axle Type: 8-3/4 inch Rear / 8

8/8 V 1957 - 1967 Mercury Commuter 4/8 V 1957 - 1960 Mercury Montclair 3

Made with 304 Stainless Steel

9 V8 1979 - 1980 Pontiac LeMans 267/4

Fits 1973-1974 GM C-10/20 2WD 1-7/8", LS Swap Long Tube Header-S/S 70101304-RHKR ignition-cylinders Rear Axle Type: 8-3/4 inchThese Hooker BlackHeart Headers fit 1973 1974 GM C 10 20 2WD Trucks with LS engines. Long tube design for optimum engine performance and stainless steel construction for maximum corrosion resistance. These Headers are designed for use with Standard 12621HKR engine mounting brackets. Features: For GM LS engine swaps into 1973 1974 GM C 10 20 2WD Trucks 1 7 8" primary tube diameter and 3" collector diameter ideal for "hot" LS1 LS6 LS2 or 5. 3L 6. 0L