COMP Cams Lightweight Tool Steel Retainers provide the best of all valve train benefits: light weight, along with exceptional strength and wear characteristics. Approximately 33% lighter than conventional chromemoly steel retainers and only 2-4 grams heavier than titanium (depending upon application), they are made from high-grade tool steel, making them able to withstand even the most demanding race applications. * CNC-machined for consistent quality * Developed using latest FEA and CAD software * Spintron-tested to extreme RPM to prove strength is equivalent to titanium and stronger than chromemoly steel * Designed for both 7° and 10° angles PartNumber : cca1754-16 Description : Light Weight Tool Steel Valve Spring Retainers; 16 Pieces Title : 1754-16 Retainers, Lite wt Tool Steel for LS1 Diameter 1 : 1.235" Spring Diameter : 1.250" Angle : 7° Diameter 3 : .610" Diameter 4 : — Stem Size : 8 mm Diameter 2 : .860" California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Compatible Lock : 623-16 Diameter 1 : 1.235 Diameter 2 : 0.86 Diameter 3 : 0.61 1998-2002 Chevrolet Camaro Z28 V8.-cc Engine Components::Valve Springs, Retainers 1998-2002 Chevrolet Camaro Z28 SS V8.-cc Engine Components::Valve Springs, Retainers 2003 Chevrolet Corvette 50th Anniversary Edition V8.-cc Engine Components::Valve Springs, Retainers 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car V8.-cc Engine Components::Valve Springs, Retainers 1997-2004 Chevrolet Corvette Base V8.-cc Engine Components::Valve Springs, Retainers 1998 Chevrolet Corvette Indianapolis 500 Pace Car V8.-cc Engine Components::Valve Springs, Retainers 2001-2004 Chevrolet Corvette Z06 V8.-cc Engine Components::Valve Springs, Retainers 1998-2002 Pontiac Firebird Formula V8.-cc Engine Components::Valve Springs, Retainers 1998-2002 Pontiac Firebird Trans Am V8.-cc Engine Components::Valve Springs, Retainers 2004 Pontiac GTO Base V8.-cc Engine Components::Valve Springs, Retainers