Isky Cams 7 Degree Steel Valve Spring Retainers - .730" Inner Step Diameter, 1.120" Outer Step Diameter - Use w/ #ISK9265, 9315, 9365, 9365-Sp, 9375, 9375/85, 9385, 9365, 9965, 9975, 9985, 9995 Valve Springs NG7 The Zamp ZR-50 Race Glove

The Zamp ZR-50 Race Glove features high-quality reverse seam construction

Two-piece sets use the lower front mount holes and the water pump mounting holes

7LAdvanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components

1974-1974 GMC C25/C2500 Suburban

Isky Cams 7 Degree Steel Valve Spring Retainers - .730" Inner Step Diameter, 1.120" Outer Step Diameter - Use w/ #ISK9265, 9315, 9365, 9365-Sp, 9375, 9375/85, 9385, 9365, 9965, 9975, 9985, 9995 Valve Springs NG7 The Zamp ZR-50 Race GloveThe Isky Super 7 Retainer and Lock system offers a more precise fit than Isky's standard Jumbo 7 degree Lock Retainer Combo. The Super 7 degree lock is actually closer to an 8 degree taper angle and incorporates a ground finish on the O. D. to exert a greater locking force in the retainer. Valve spring heights are more consistent as a result. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing