1978 was the first year a V8 was not the standard engine for the Grand Prix as the car lost 600 lbs. in an effort to improve fuel efficiency. However, its G-Body platform is a solid base to build upon with numerous parts and compatibility with several different GM engines. If you want to drop a Gen III/IV engine in your Grand Prix, our LS swap systems can get it done.

Holley is the source for your Air & Fuel delivery upgrades! From Carburetors to the latest in EFI Fuel Injection Systems and Fuel Pumps. We have your products from air cleaners to fuel tanks and everything in between.