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Technical Articles for Part Number CCA-SK01-405-8
COMP Cams Xtreme Energy Cam and Lifter Kits SK01-405-8
Part Number: CCA-SK01-405-8
COMP Cams Xtreme Energy Cam and Lifter Kits
Cam, Lifters, Timing, Hydraulic Roller Tappet, Advertised Duration 252/258, Lift .510/.510, Chevy, 7.4L, Kit
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Estimated Ship Date: Dec 21, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SK01-405-8
Part Type:
Product Line:
Summit Racing Part Number:
CCA-SK01-405-8
UPC:
036584064374
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
600-4,600
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
200
Exhaust Duration at 050 inch Lift:
206
Duration at 050 inch Lift:
200 int./206 exh.
Advertised Intake Duration:
252
Advertised Exhaust Duration:
258
Advertised Duration:
252 int./258 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.510 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.510 in.
Valve Lift with Factory Rocker Arm Ratio:
0.510 int./0.510 exh.
Lobe Separation (degrees):
110
Grind Number:
XR252HR
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic roller
Valve Springs Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Double roller
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
COMP Cams Xtreme Energy Cam and Lifter Kits
COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. Whether your use is off-roading, towing, or street performance, there are Xtreme Energy options available for you. By using an aggressive lobe profile, they provide better throttle response and more top-end horsepower than equivalent kits from other manufacturers, while delivering increased engine vacuum. Order the model designed for your vehicle and engine application.
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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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