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COMP Cams Camshaft CS 293Qio8

SKU: CCA12-474-44

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS 293Qio8

SKU: CCA12-474-44

Camshafts

CCA Camshafts...

A$1,441.85
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

For Retro-Fit (Link Bar) Hydraulic Roller Lifters

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 Inboard Exhaust Duration:305
Advertised Inboard Intake Duration:293
Advertised Outboard Exhaust Duration:307
Advertised Outboard Intake Duration:295
Amazon ASIN:B00CWZW4BY
Assembly Lubricant Included:No
Basic Operating RPM Range:2900-7,200
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 Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:4-Pattern
Description:4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:253
Exhaust Duration:307
Exhaust Valve Lift(in):0.622
Grind Number:293QIO8
Inboard Exhaust Duration at .050 inch Lift:251
Inboard Exhaust Valve Lift:0.622
Inboard Intake Duration at .050 Inch Lift:241
Inboard Intake Valve Lift:0.637
Intake Duration @ .050 in.:243
Intake Duration:295
Intake Valve Lift(in):0.638
Lifter Type:Hydraulic Roller
Lifters Included:No
Outboard Exhaust Duration at .050 inch Lift:253
Outboard Exhaust Valve Lift:0.622
Outboard Intake Duration at .050 Inch Lift:243
Outboard Intake Valve Lift:0.638
Part Number:cca12-474-44
RPM Range:2900-7200
Title:4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for Chevrolet Small Block
Usage:Street/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: 2026-10-13 17:49:23

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
12-474-44
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams 4-Pattern Hydraulic Roller Camshafts
Product Attributes - UPC
036584259657
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
Excellent for street/strip applications with good heads and raised compression in high RPM engines. 3,200+ stall.
Product Attributes - Basic Operating RPM Range
2,900-7,200
Product Attributes - Intake Duration at 050 inch Lift
243/241
Product Attributes - Exhaust Duration at 050 inch Lift
253/251
Product Attributes - Duration at 050 inch Lift
243 int./253 exh., 241 int./251 exh.
Product Attributes - Advertised Intake Duration
295/293
Product Attributes - Advertised Exhaust Duration
307/305
Product Attributes - Advertised Duration
295 int./307 exh., 293 int./305 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.638 in./0.637 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.622 in./0.622 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.638 int./0.622 exh., 0.637 int./0.622 exh.
Product Attributes - Lobe Separation (degrees)
108
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
293QIO8
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca12-474-44
SFX Item ID 4118695
Supplier Item Code 4118695
Manufacturer SKU 12-474-44
Manufacturer UPC 36584259657
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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