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COMP Cams Camshaft Kit OL XE256H-10

SKU: CCASK42-221-4

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit OL XE256H-10

SKU: CCASK42-221-4

Camshaft Kits

CCA Camshaft Kits...

A$915.08
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Description

SK-KIT - Small Kit Includes: Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals and Instructions.

Product Overview

COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation. All cam kits are fully tested and manufactured to the strictest standards. Each kit’s components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.” *SK-Kit - Small Kit Includes* * Camshaft * Lifters * Timing Chain Set * Assembly Lube * Decals * Instructions

Product Details

Advertised Exhaust Duration:268
Advertised Intake Duration:256
Amazon ASIN:B001R9HB1E
Assembly Lubricant Included:Yes
Basic Operating RPM Range:1,000-5,200
C.A.R.B. E.O. Number:N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Flat Tappet
Camshaft Gear Attachment:1-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 212/218 Hydraulic Flat Cam SK-Kit for Oldsmobile 260-455
Engine Family:Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
Exhaust Duration @ .050 in.:218
Exhaust Duration at .050 inch Lift:218
Exhaust Duration:268
Exhaust Valve Lift(in):0.456
Exhaust Valve Lift:0.456
Gaskets Included:No
Intake Duration @ .050 in.:212
Intake Duration at .050 Inch Lift:212
Intake Duration:256
Intake Valve Lift(in):0.453
Intake Valve Lift:0.453
Kit Type:SK-Kit - Small Kit
Lifter Type:Hydraulic Flat Tappet
Lifters Included:Yes
Lobe Separation:110
Locks Included:No
Part Number:ccaSK42-221-4
Pushrods Included:No
RPM Range:1000-7000
Retainers Included:No
Timing Chain and Gears Included:Yes
Title:Xtreme Energy 212/218 Hydraulic Flat Cam SK-Kit for Oldsmobile 260-455
Usage:Street/Performance
Valve Springs Required:Yes
Valve Stem Seals Included:No

Application Summary

Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-13 17:39:51

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
SK42-221-4
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Xtreme Energy Cam and Lifter Kits
Product Attributes - UPC
036584067818
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Basic Operating RPM Range
1,000-5,200
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
Strong torque through low end and mid-range, good idle.
Product Attributes - Intake Duration at 050 inch Lift
212
Product Attributes - Exhaust Duration at 050 inch Lift
218
Product Attributes - Duration at 050 inch Lift
212 int./218 exh.
Product Attributes - Advertised Intake Duration
256
Product Attributes - Advertised Exhaust Duration
268
Product Attributes - Advertised Duration
256 int./268 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.453 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.456 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.453 int./0.456 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Camshaft Gear Attachment
1-bolt
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Hydraulic flat tappet
Product Attributes - Valve Springs Included
No
Product Attributes - Retainers Included
No
Product Attributes - Locks Included
No
Product Attributes - Valve Stem Seals Included
No
Product Attributes - Timing Chain and Gears Included
Yes
Product Attributes - Assembly Lubricant Included
Yes
Product Attributes - Pushrods Included
No
Product Attributes - Rocker Arms Included
No
Product Attributes - Gaskets Included
No
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaSK42-221-4
SFX Item ID 4124703
Supplier Item Code 4124703
Manufacturer SKU SK42-221-4
Manufacturer UPC 36584067818
Alternative References XE256H-10

Compatibility

Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8

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