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-K21-221-4
COMP Cams Xtreme Energy Cam and Lifter Kits
Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 256/268, Lift .447/.455, Mopar, 383-440, Kit
See More Specifications
|
Check the Fit
Need It Sooner? We recommend these similar substitute parts:
Overview
Brand:
Manufacturer's Part Number:
K21-221-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K21-221-4
UPC:
036584046592
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
1,000-5,200
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
212
Exhaust Duration at 050 inch Lift:
218
Duration at 050 inch Lift:
212 int./218 exh.
Advertised Intake Duration:
256
Advertised Exhaust Duration:
268
Advertised Duration:
256 int./268 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.447 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.455 in.
Valve Lift with Factory Rocker Arm Ratio:
0.447 int./0.455 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
1-bolt
Grind Number:
CRB XE256H-10
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.475 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Link belt
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
Notes:
Pre-1968 engines require different lifters.
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.
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
