Fits 1973-1974 GM C-10/20 2WD, 1-7/8", Long Tube Headers-Ceramic 70101504-1HKR in-tank-fuel-lines 4 V8 1968 Chevrolet Bel

4 V8 1968 Chevrolet Bel Air 307/5 V8 1975 - 1993 Chevrolet G10 350/5

1 L6 1981 GMC G3500 Rally 350/5

Volvo ACL (2000-2002)

5L V8 1970 Chevrolet Impala Base 250/4

50-inch factory collector connections

Fits 1973-1974 GM C-10/20 2WD, 1-7/8", Long Tube Headers-Ceramic 70101504-1HKR in-tank-fuel-lines 4 V8 1968 Chevrolet BelHooker BlackHeart LS Swap Full Length Header Ceramic Coated; 1973 1974 GM C 10 20 2WD Trucks, Full Length LS Swap, 1 7 8", 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 7 8" primary tube diameter and 3" collector diameter ideal for "hot" LS1 LS6 LS2 or 5. 3L 6. 0L Vortec truck engine swaps Long tube design for optimum engine