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

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Introducing Flowmaster's new line of Flow FX Cat-back exhaust systems for 2015-2022 Chevy Colorado and GMC Canyon with 3

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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