COMP Cams Thumpr NSR LS Camshaft Kit – GM Gen III & IV Hydraulic Roller Performance Cam

Upgrade your GM LS engine with the COMP Cams Thumpr NSR Hydraulic Roller Cam Kit engineered for aggressive street performance, strong mid-to-high RPM power, and an unmistakable performance exhaust tone.

Designed for GM LS Gen III & IV engines, this camshaft delivers improved horsepower, enhanced throttle response, and reliable hydraulic roller performance while remaining computer-controlled compatible.

Specifications:

• Engine Compatibility: GM LS Gen III & IV
• Recommended Use: Street / Performance
• Cam Type: Hydraulic Roller
• Intake Duration @ .050”: 226°
• Exhaust Duration @ .050”: 237°
• Intake Valve Lift: .660”
• Exhaust Valve Lift: .630”
• Lobe Separation Angle: 113°
• RPM Operating Range: 1800–6600 RPM
• Advertised Intake Duration: 280°
• Advertised Exhaust Duration: 299°
• Grind Number: 280LTH13
• Computer-Controlled Compatible: Yes

Perfect for:
✔ Street Performance Builds
✔ LS Engine Swaps
✔ Muscle Cars & Performance Trucks
✔ Aggressive Exhaust Sound
✔ Mid & High RPM Power Gains