These 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.

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 performance
  • 100% stainless steel construction
  • Designed for use with 12621HKR engine mounting brackets and 12646HKR transmission crossmember
  • Manufacturer's Limited Lifetime Warranty