TSP Blower LT1/LT4 3-Bolt Camshaft – No VVT

TSP Blower LT1/LT4 3-Bolt – No VVT

Unleash the full performance potential of your Gen 5 LT engine with the TSP 6.2L LT1/LT4 3-Bolt Camshaft – VVT Delete. Designed for serious horsepower builds, this camshaft eliminates the factory VVT system and replaces it with TSP’s precision-engineered 3-bolt cam gear setup—guaranteeing rock-solid timing and hassle-free installation.

Camshaft Specifications

• Cam Type: Supercharger Camshaft
• Cam Specs: 227/239 .646″/.631″ 115 LSA, 112 ICL
• Fuel Lobe: +32% for increased fuel delivery
• Bolt Pattern: 3-Bolt – VVT Delete Configuration

Technical Highlights

• Eliminates factory VVT system – No phaser limiter required
• Requires DOD/AFM delete kit (cylinder deactivation not supported)
• Recommended for use with TSP .660″ dual spring kit with PAC springs & titanium retainers
• Best paired with TSP hardened chromoly pushrods
• Ideal for use with higher stall torque converters in automatic applications
• Produces a healthy lope at idle for aggressive sound and performance

Performance & Compatibility

Developed using Texas Speed’s advanced SuperFlow 902 engine dyno, this camshaft is optimized for maximum horsepower across the entire RPM range. The +32% fuel lobe ensures ample fuel delivery, while the 3-bolt configuration eliminates misalignment and common installation issues.

Every TSP camshaft undergoes rigorous dyno testing on a stock 6.2L LT1 engine platform to ensure reliability, performance, and proper piston-to-valve clearance. This is a proven setup—not just theory—engineered to deliver exceptional power gains without compromising drivability or engine safety.