Pontiac Mechanical Roller Camshaft
Out of stock
SKU
60450
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
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
$700.49
Part Number
60450
Engine Make
Pontiac
Year
1955-1981
Part Class
Camshaft
Camshaft Name
Ultra-Action
Camshaft Series
Ultra-Action
Engine Type
V8
Engine Size
287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Product Type
Mechanical Roller
Valve Lash
.026" intake and .028" exhaust
Lobe center
112
Advertised Duration: Intake / Exhaust
275/284
Duration @ .050" Lift: Intake / Exhaust
233/242
Lobe Lift: Intake / Exhaust
.330/.331
Rocker Ratio: Intake / Exhaust
1.5/1.5
Gross Valve Lift: Intake / Exhaust
.495/.496
CID
389
Performance Level
5
Low RPM
3000
Peak HP
6500
Redline
7000
Performance Description
All range camshaft for heavy car, high stall with compression and headers.
Engine Application
Level 5 camshafts are designed for fully prepared, high compression all-out racing engines and chassis.
Recommended Modifications
Extensive cylinder head modification, bigger titanium valves, lightweight valve train, maximum flow carburetion or fuel injection, racing gas (alcohol or nitro), magneto or electronic ignition, performance rod and crank assembly and increased engine clearances are required for maximum benefit.
CID #2
455
Performance Level 2
5
Performance Description 2
All range camshaft for heavy car, high stall with compression and headers.
Engine Application 2
Level 5 camshafts are designed for fully prepared, high compression all-out racing engines and chassis.
Recommended Modifications 2
Extensive cylinder head modification, bigger titanium valves, lightweight valve train, maximum flow carburetion or fuel injection, racing gas (alcohol or nitro), magneto or electronic ignition, performance rod and crank assembly and increased engine clearances are required for maximum benefit.
Grind Number
275R
Recommended Kit #1
84568
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