Selecting your vehicle's make, model, and year allows us to display only parts and items specific to your car's model and year.
Be the First to Review
OPGI Price: $9.99
Part Type: (P) High Performance, designed to improve performance
Sold As: KIT
2018 GTO Catalog Page: 430
Give your HEI a tune-up and get the maximum performance out of your ignition system. This complete kit gives you new counterweights, bushings and an assortment of springs to allow the vacuum advance to come in at the right time. This easy-to-install kit can make a huge difference in the performance of any vehicle.