Best average HP over wide RPM range. Requires aftermarket pistons w/ valve reliefs. Perfect for serious LS3 street and track build. 7500 RPM stability with CK and MK Kits. For 1997-2015 GM LS GEN III/IV 3-Bolt 8 Cylinder. Aftermarket Pistons. Lifter Style: Hydraulic Roller. Complete Kit Upgrade: CK54-305-11. Stage: 1. Master Kit Upgrade: MK54-305-11. Recommended Upgraded Stock Rocker Arms: 1478-16. Recommended Max-Lift BSR Shaft Rocker System: 1982-16. Recommended Cam Install Kit: 5621. Camshaft Series: Low Shock Technology. Cam Type: Hydraulic Roller. Basic Operating RPM Range: 3,300-7,500. Intake Duration at .050 Inch Lift: 243. Exhaust Duration at .050 inch Lift: 254. Advertised Intake Duration: 298.
