Pro Series 8620 LS Stroker Hydraulic Roller Racing Camshaft

Upgrade your GM LS engine with this racing hydraulic roller camshaft engineered for high-RPM racing and stroker 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 246° intake / 254° exhaust duration, 0.621" intake / 0.604" exhaust lift, 110° lobe separation, this camshaft profile is designed to increase horsepower and torque while matching the intended powerband.

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: 0.660 in..

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)

NOTESs:
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.

Specifications:
Cam Type: Hydraulic Roller
Camshaft Gear Attachment: 3-bolt
Computer Controlled Compatible: Yes
Exhaust Duration at .050 inch Lift: 254 deg.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.604 in.
Grade Type: Performance
Intake Duration at .050 Inch Lift: 246 deg.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.621 in.
Lifter Type: Hydraulic Roller
Lobe Separation: 110 deg.
Material: 8620 Carburized Nickel Chromium Molybdenum
Performance Level: Racing
Valve Springs Required: 0.660 in.