Pro Series 8620 LS Hydraulic Roller Stage 1 Camshaft
Features Fits GM LS Gen III/IV engines including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L platforms Stage 1 | 202° intake / 206° exhaust duration | 114° lobe separation Hydraulic Roller design with 0.501" intake / 0.501" exhaust lift and Idle to 5,200 RPM operating range Requires ls6 factory style style valve springs; 3-bolt cam gear attachment for street and performance LS builds Description Upgrade your GM LS engine with this stage 1 hydraulic roller camshaft engineered for street and performance builds. Designed to improve airflow, throttle response, and power across the RPM range, this camshaft delivers a stronger, more aggressive performance profile. Performance Gains & Powerband Optimization With 202° intake / 206° exhaust duration, 0.501" intake / 0.501" exhaust lift, 114° lobe separation, this camshaft profile is designed to increase horsepower and torque while matching the intended powerband of Idle to 5,200 RPM. Hydraulic Roller Valvetrain Design Hydraulic Roller construction supports stable valvetrain operation and efficient performance in modern GM LS engine combinations. Durable Performance Construction 8620 Carburized Nickel Chromium Molybdenum construction provides strength and reliability for demanding street, strip, and performance engine builds. Installation & Supporting Components Proper tuning, piston-to-valve clearance verification, and matching valvetrain components are recommended. Recommended valve springs: LS6 Factory style Style. Specs Basic Operating RPM Range Idle to 5,200 RPM Cam Type Hydraulic Roller Camshaft Gear Attachment 3-bolt Computer Controlled Compatible Yes Exhaust Duration at .050 inch Lift 206 deg. Exhaust Valve Lift with Factory Rocker Arm Ratio 0.501 in. Grade Type Performance Intake Duration at .050 Inch Lift 202 deg. Intake Valve Lift with Factory Rocker Arm Ratio 0.501 in. Lifter Type Hydraulic Roller Lobe Separation 114 deg. Material 8620 Carburized Nickel Chromium Molybdenum Performance Level Stage 1 Valve Springs Required LS6 Factory style Style Engine Fitment COMPATIBLE WITH GM LS SERIES V8 ENGINES • 4.8L / 293 in³ (LR4, LY2) • 5.3L / 325 in³ (LM7, L59, L33, LC9, LH6, LY5, LMG) • 5.7L / 346 in³ (LS1, LS6) • 6.0L / 364 in³ (LQ4, LQ9, LY6, L76, L96) • 6.2L / 376 in³ (LS3, L92, L99) COMMON VEHICLE APPLICATIONS Chevrolet Silverado / GMC Sierra (LS equipped) Chevrolet Camaro / Corvette (LS equipped) Chevrolet Tahoe / Suburban / Yukon (LS equipped) Pontiac GTO / G8 (LS equipped) NOTES Designed for GM Gen III/IV LS-based engines. Verify cam gear, timing set, sensor, and VVT/non-VVT compatibility before installation. Camshaft applications require proper valve springs, ECU tuning, and piston-to-valve clearance verification. Not compatible with Gen I Small Block Chevy, Gen V LT direct-injection, or Big Block Chevy engines.