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Technical Articles for Part Number ISK-396275-284
Isky Hydraulic Roller Tappet Camshafts
Camshaft, Hydraulic Roller Tappet, 275/284 Advertised Duration, .553/.578 Lift, Chevy, Big Block, Each
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Overview
Brand:
Manufacturer's Part Number:
396275284
Part Type:
Product Line:
Summit Racing Part Number:
ISK-396275-284
Cam Style:
Hydraulic roller, Retro-fit
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Excellent mid-range performance. Fair idle. 2000 stall. 3.70-4.10 axle ratio. Up to 10.5:1 compression. Up to 750 CFM carburetor.
Basic Operating RPM Range:
2,500-6,400
Intake Duration at 050 inch Lift:
228
Exhaust Duration at 050 inch Lift:
238
Duration at 050 inch Lift:
228 int./238 exh.
Advertised Intake Duration:
275
Advertised Exhaust Duration:
284
Advertised Duration:
275 int./284 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.553 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.578 in.
Valve Lift with Factory Rocker Arm Ratio:
0.553 int./0.578 exh.
Lobe Separation (degrees):
112
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
RR-275/284
Valve Springs Required:
Yes
Quantity:
Sold individually.
Isky Hydraulic Roller Tappet Camshafts
Isky hydraulic roller tappet cams are manufactured using high-quality, special deep-hardened steel billets. They are fully compatible with stock factory-style cast iron distributor gears. Available in a broad assortment of profiles, these cams yield the best horsepower/torque ratios for those looking for hydraulic roller assemblies.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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