Hydraulic Flat Tappet

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 3 - Hi-Draulic Hauler - Lope at idle. Hot street/strip cam with strong mid-range power.
INT/EXH - Dur @ .050” Lift: 229°/239° RR: 1.5/1.5 Gross Lift: .480”/.501” LSA: 108° RPM: 2500 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Rough idle. Explosive mid-range power and torque.
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.5/1.5 Gross Lift: .509”/.516” LSA: 108° RPM: 3000 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Rough idle. Violent mid-range acceleration.
INT/EXH - Dur @ .050” Lift: 239°/247° RR: 1.5/1.5 Gross Lift: .497”/.522” LSA: 108° RPM: 3250 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Brutal mid to top end torque and horsepower.
INT/EXH - Dur @ .050” Lift: 248°/256° RR: 1.5/1.5 Gross Lift: .518”/.537” LSA: 108° RPM: 3500 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 2-3 - Power Compu-Pro - These cams provide excellent low end and mid-range power and extended rpm range for spirited street and offroad driving. A perfect combination of mileage and power. Modifications should include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increase in compression ratio to 9.5:1 is recommended for maximum output. Works well with automatic transmission or 4-speed.
INT/EXH - Dur @ .050” Lift: 210°/221° RR: 1.5/1.5 Gross Lift: .422”/.446” LSA: 112° RPM: 1300-1500 to 4800 Redline: 5300 Learn More

Pontiac 287-455 Compu-Pro Hydraulic Flat Tappet Camshaft (276-HDP) Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
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: 221°/229° RR: 1.5/1.5 Gross Lift: .456”/.468” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
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: 228°/235° RR: 1.5/1.5 Gross Lift: .479”/.494” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
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: 239°/241° RR: 1.5/1.5 Gross Lift: .500”/.500” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455 Performance level 4 - High Performance Compu-Pro - Dual purpose street/trip profile. Strong mid to top end power. INT/EXH - Dur @ .050” Lift: 248°/253° RR: 1.5/1.5 Gross Lift: .512”/.524” LSA: 112° RPM: 2000 to 6200 Redline: 7000 Learn More