Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Technical Articles for Part Number CCA-K12-422-8
COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits
Cam/Lifters/Valvetrain, Hydraulic Roller Tappet, Adv. Duration 270/276, Lift .495/.502, Chevy, Small Block
See More Specifications
|
Check the Fit
Estimated Ship Date from OH, NV, GA: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K12-422-8
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K12-422-8
UPC:
036584034094
Cam Style:
Hydraulic roller, Retro-fit
Basic Operating RPM Range:
1,600-5,400
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
218
Exhaust Duration at 050 inch Lift:
224
Duration at 050 inch Lift:
218 int./224 exh.
Advertised Intake Duration:
270
Advertised Exhaust Duration:
276
Advertised Duration:
270 int./276 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.495 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.502 in.
Valve Lift with Factory Rocker Arm Ratio:
0.495 int./0.502 exh.
Lobe Separation (degrees):
110
Grind Number:
CS XR270HR-10
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic roller
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.430 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
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:
No
Quantity:
Sold as a kit.
Notes:
Retro-fit: Designed for early non-roller blocks. Requires thrust button and wear plate.
COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits
COMP Cams Xtreme Energy retrofit cam and lifter kits are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy kit available for you. By using an aggressive lobe profile, these kits provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.
Applications
Loading...
Loading...
Questions & Answers
Ask a Question
What type of question would you like to submit?
I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
a question about this Product. Product Related Question
Loading...
Reviews Write a Review
Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Email this page
