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Technical Articles for Part Number ISK-200652
Isky Solid Roller Tappet Camshaft and Lifter Kits 200652
Part Number: ISK-200652
Isky Solid Roller Tappet Camshaft and Lifter Kits
Camshaft Kit, Solid Roller Tappet, Advertised Duration 286/298, Lift 0.650/0.645, Chevy, Small Block, Kit
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Estimated Ship Date: Jun 18, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
200652
Part Type:
Product Line:
Summit Racing Part Number:
ISK-200652
Cam Style:
Solid roller, Retro-fit
Basic Operating RPM Range:
3,800-7,400
Camshaft Use:
Circle Track
Camshaft Manufacturers Description:
Ultimate performance on 1/4-3/8 mile tracks with plenty of torque off corners and excellent power down the straights. Requires high compression and works with any carburetor.
Intake Duration at 050 inch Lift:
256
Exhaust Duration at 050 inch Lift:
264
Duration at 050 inch Lift:
256 int./264 exh.
Advertised Intake Duration:
286
Advertised Exhaust Duration:
298
Advertised Duration:
286 int./298 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.650 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.645 in.
Valve Lift with Factory Rocker Arm Ratio:
0.650 int./0.643 exh.
Lobe Separation (degrees):
106
Camshaft Gear Attachment:
3-bolt
Intake Valve Lash:
0.024 in.
Exhaust Valve Lash:
0.028 in.
Grind Number:
RR-652
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Mechanical roller
Valve Springs Included:
Yes
Valve Spring Style:
Standard
Outside Diameter of Outer Spring (in.):
1.550 in.
Retainers Included:
Yes
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
No
Pushrods Included:
Yes
Intake Overall Length (in.):
7.781 in.
Exhaust Overall Length (in.):
7.781 in.
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
Isky Solid Roller Tappet Camshaft and Lifter Kits
Isky solid roller tappet camshaft and lifter kits are manufactured using the finest quality steel billets. Available in many famous grinds, these cams have dominated drag strip and oval track racing throughout the country.
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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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