Isky Cams Adjustable Guide Plates - SB Chevy - Use w/ 3/8" Diameter Push Rods - Set of 8 24-VER-N-9 Fully Supported CountershaftThe countershaft is

Fully Supported CountershaftThe countershaft is fully supported by needle bearings on a hardened steel shaft

2020-2020 Chevrolet Silverado 2500 HD

6:1-20:1 AFR

1970-1985 Chevrolet El Camino

Isky Cams Adjustable Guide Plates - SB Chevy - Use w/ 3/8" Diameter Push Rods - Set of 8 24-VER-N-9 Fully Supported CountershaftThe countershaft isGuide 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