These Hooker RacingHeart headers are for Street Stock cars with Small Block Chevy engine. They fit 73-88 GM A/G-Body vehicles as well as 70-81 GM F-body vehicles. They have 1-3/4 inch primaries with 3 inch collectors, 3/8 inch thick flanges to prevent warping and have merge spears for increased velocity. These are black painted mild steel.

Features:
  • Fits 73-88 Monte Carlo, Malibu, Regal, Cutlass, and Grand Prix; 70-81 Camaro and Firebird
  • 1-3/4 inch primaries x 3 inch collectors
  • Collectors feature merge spears for increased exhaust velocity
  • 3/8 inch thick header flanges for strength and maximum sealing surface
  • Black Painted Mild Steel
  • Fits both straight and angle plug heads
  • Requires short oil filter