Mechanical Roller

Custom Camshaft Pontiac 287-455 Mechanical Roller Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 5 - Ultra-Action - All range camshaft for heavy car, high stall with compression and headers.
INT/EXH - Dur @ .050” Lift: 233°/242° RR: 1.5/1.5 Gross Lift: .495”/.496” LSA: 112° RPM: 3000 to 6500 Redline: 7000 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 5 - Ultra-Action - Large cid camshaft (455 cid or bigger). Smashing mid-range power hit and top end performer.
INT/EXH - Dur @ .050” Lift: 257°/263° RR: 1.5/1.5 Gross Lift: .649”/.636” LSA: 108° RPM: 4500 to 7250 Redline: 7750 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 5 - Ultra-Action - Radical mid-range cam, shifts at 6500 rpm with a redline of 7000.
INT/EXH - Dur @ .050” Lift: 247°/254° RR: 1.5/1.5 Gross Lift: .582”/.567” LSA: 108° RPM: 4000 to 7000 Redline: 7500 Learn More