Hydraulic Flat Tappet

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 3-4 - High Performance Compu-Pro - Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Works well with automatic transmission if matched with proper ring and pinion gears and/or high stall converter.
INT/EXH - Dur @ .050” Lift: 224°/232° RR: 1.7/1.7 Gross Lift: .542”/.517” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 4 - Ultra-Performance Compu-Pro - The following grinds are best suited for dual purpose hot street/drag strip situations. These cams exhibit strong mid-range and top end torque and horsepower. Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must.
INT/EXH - Dur @ .050” Lift: 232°/244° RR: 1.7/1.7 Gross Lift: .562”/.571” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 4 - Ultra-Performance Compu-Pro - The following grinds are best suited for dual purpose hot street/drag strip situations. These cams exhibit strong mid-range and top end torque and horsepower. Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must.
INT/EXH - Dur @ .050” Lift: 246°/250° RR: 1.7/1.7 Gross Lift: .578”/.593” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 1 - Ball Nose - Good stock replacement for mileage/performance. Idle similar to factory.
INT/EXH - Dur @ .050” Lift: 204°/214° RR: 1.7/1.7 Gross Lift: .464”/.485” LSA: 114° RPM: 1550 to 5000 Redline: 5500 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 1 - Ball Nose - Strong torque throughout power band, excellent mileage and smooth idle.
INT/EXH - Dur @ .050” Lift: 209°/221° RR: 1.7/1.7 Gross Lift: .474”/.505” LSA: 114° RPM: 1700 to 5200 Redline: 5700 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 2 - Ball Nose - Good performance street camshaft with bottom end power.
INT/EXH - Dur @ .050” Lift: 214°/225° RR: 1.7/1.7 Gross Lift: .485”/.515” LSA: 112° RPM: 1850 to 5400 Redline: 5900 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 2 - Ball Nose - Works well in big cubic inch engines. Mild performance and towing.
INT/EXH - Dur @ .050” Lift: 221°/233° RR: 1.7/1.7 Gross Lift: .505”/.536” LSA: 112° RPM: 1900 to 5500 Redline: 6000 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 3 - Ball Nose - Fair idle, excellent mid-range horsepower. Moderate performance.
INT/EXH - Dur @ .050” Lift: 225°/233° RR: 1.7/1.7 Gross Lift: .515”/.536” LSA: 112° RPM: 2000 to 5600 Redline: 6100 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 3 - Ball Nose - Good for street machine. Likes headers and aftermarket intake.
INT/EXH - Dur @ .050” Lift: 229°/237° RR: 1.7/1.7 Gross Lift: .525”/.545” LSA: 110° RPM: 2100 to 5700 Redline: 6200 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 3 - Ball Nose - performance usage with good mid-range and upper rpm torque and power.
INT/EXH - Dur @ .050” Lift: 233°/240° RR: 1.7/1.7 Gross Lift: .535”/.557” LSA: 110° RPM: 2400 to 5800 Redline: 6300 Learn More