Isky Cams Adjustable Guide Plates - SB Chevy - Set of 8 NZHC001A 1977-1978 GMC P25

1977-1978 GMC P25

Super Sucker

Tie Rod End

G-FORCE Racing Gear is proud to introduce this new

Authentic OE gaskets

Isky Cams Adjustable Guide Plates - SB Chevy - Set of 8 NZHC001A 1977-1978 GMC P25Guide Plates are designed to minimize modifications associated with high performance cylinder heads when intake ports have been relocated. Easily adjusted inward or outward with grind centers for a closer setting. For more stability, plates can be welded once final adjustments have been made. Fits SB Chevy and 90 degree V6. Packaged in sets of 8. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer