Fits 1973-1974 GM C-10/20 2WD, 1-3/4", Long Tube Headers-Painted 70101503HKR flowmaster 4 V8 1979 - 1982

4 V8 1979 - 1982 Chevrolet El Camino 267/4

Ford LTS9000 (1990-1993

25/8 V 1975 - 1987 Chevrolet Camaro 4/8 V 1975 - 1987 Chevrolet Caprice 4/8 V 1975 Chevrolet Caprice 4

Bolt Count 12 Bolt Pattern GM 8

Fits 1973-1974 GM C-10/20 2WD, 1-3/4", Long Tube Headers-Painted 70101503HKR flowmaster 4 V8 1979 - 1982Hooker BlackHeart LS Swap Full Length Header Painted; 1973 1974 GM C 10 20 2WD Trucks, Full Length LS Swap, 1 3 4", Collector Size 3". 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 3 4" primary tube diameter and 3" collector diameter ideal for LS1 LS6 LS2 or 5. 3L 6. 0L Vortec truck engine swaps Long tube design for optimum engine performance