Isky Cams Super 7 Valve Locks - For 11/32" Diameter Valve Stems, + .050" Higher Installed Height Roll Bar Accessory Clamp 27-tooth) shafts for weight reduction

27-tooth) shafts for weight reduction and all critical internal components are cryogenically treated for maximum strength

LS Streamline

GM Fullsize SUV / Truck 2007-21

Dual 2-1/4 in Inlets

Isky Cams Super 7 Valve Locks - For 11/32" Diameter Valve Stems, + .050" Higher Installed Height Roll Bar Accessory Clamp 27-tooth) shafts for weight reductionThe 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