GM Gen III, LS1 5.7L 1997-08, 1.8 x 3/8", 17-4ph stainless steel, stud mount, full roller, precision ground needle roller trunion bearings, PRW ROCKER-LOC adjusters, Set of 16 (Requires Screw-in Studs & Guide Plates)
16 Rockers, Polylocks Included Will Fit Under Center Bolt Valve
Engine Type V8
Liter 5.3
CID 323
Engine Size 5.3L/323
Beginning Year 1999
Ending Year 2005
Engine Family Chevy small block Gen III/IV (LS-based engines)
Discontinued Design Item. All Sales FINAL
