Isky Cams Super 7 Valve Locks - For 11/32" Diameter Valve Stems, + .050" Higher Installed Height RS004001 Polyurethane is a synthetic polymer

Polyurethane is a synthetic polymer that has many properties that make it far superior to OEM rubber bushings

This heat shield requires no assembly and uses factory mounting locations for fast and easy installation

Store extra parts or keep parts from being damaged during storage

instructions and a plexiglass plate

Isky Cams Super 7 Valve Locks - For 11/32" Diameter Valve Stems, + .050" Higher Installed Height RS004001 Polyurethane is a synthetic polymerThe 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