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COMP Cams Camshaft CS 290Xo-8

SKU: CCA12-655-5

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS 290Xo-8

SKU: CCA12-655-5

Camshafts

CCA Camshafts...

Sale ends in Calculating...

A$655.89 A$769.20
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.
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Description

SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.

Product Overview

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

Product Details

Advertised Exhaust Duration:296
Advertised Intake Duration:290
Amazon ASIN:B002DFKQ22
Assembly Lubricant Included:Yes
Basic Operating RPM Range:3,400-7,400
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:Solid Flat Tappet
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Oval
Description:Oval Track 260/262 Solid Flat Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:262
Exhaust Duration at .050 inch Lift:262
Exhaust Duration:296
Exhaust Valve Lift(in):0.543
Exhaust Valve Lift:0.543
Grind Number:290XO-8
Intake Duration @ .050 in.:256
Intake Duration at .050 Inch Lift:256
Intake Duration:290
Intake Valve Lift(in):0.558
Intake Valve Lift:0.558
Lifter Type:Solid Flat Tappet
Lifters Included:No
Lobe Separation:108
Part Number:cca12-655-5
RPM Range:3000-9000
Title:Oval Track 260/262 Solid Flat Cam for Chevrolet Small Block
Usage:Strip
Valve Springs Required:Yes

Application Summary

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-17 16:14:49

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
12-655-5
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Oval Track Camshafts
Product Attributes - UPC
036584015666
Product Attributes - Cam Style
Solid flat tappet
Product Attributes - Camshaft Use
Circle Track
Product Attributes - Basic Operating RPM Range
3,400-7,400
Product Attributes - Intake Duration at 050 inch Lift
256
Product Attributes - Exhaust Duration at 050 inch Lift
262
Product Attributes - Duration at 050 inch Lift
256 int./262 exh.
Product Attributes - Advertised Intake Duration
290
Product Attributes - Advertised Exhaust Duration
296
Product Attributes - Advertised Duration
290 int./296 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.558 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.543 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.558 int./0.543 exh.
Product Attributes - Lobe Separation (degrees)
108
Product Attributes - Intake Valve Lash
0.016 in.
Product Attributes - Exhaust Valve Lash
0.018 in.
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
290XOS
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca12-655-5
SFX Item ID 4118774
Supplier Item Code 4118774
Manufacturer SKU 12-655-5
Manufacturer UPC 36584015666
Alternative References l46, l48, l65, lm1, lt-1, l82

Compatibility

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

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