COMP Cams High Energy 268H Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .485" /.485" Duration: 268°/268° RPM Range: 1500-5500
249-CL11-205-3
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Chevy 396-454ci Big Block 1965-96
Performance with slight rough idle in 396. Great for heavy towing in 454ci.
| Operating Range: | 1500-5500 RPM |
| Duration Advertised: | 268° Intake / 268° Exhaust |
| Duration @ .050'' Lift: | 218° Intake / 218° Exhaust |
| Valve Lift w/1.7 Rockers: | .485'' Intake / .485'' Exhaust |
| Lobe Separation Angle: | 110° |
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Performance with slight rough idle in 396. Great for heavy towing in 454c.i.
Specifications:
Can I use stock valve springs with CH268-10 BBCHEV? If not, what comp cams valve springs do I need?
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