The G-Body defined the 80's for many GM fans. These underpowered rides had a great look but couldn't get out of their own way. Put modern horsepower into your grocery getter with performance products from Holley. Holley has engineered a complete solution of components to put an LS engine in and the power out.

Features:
  • For GM LS engine swaps into 1978-88 GM A/G-Body vehicles
  • 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
  • Mild steel construction with black painted finish
  • Designed for use with 12643HKR engine mounting brackets and 12644HKR transmission crossmember