COMP Cams Camshaft CS 293Qio8
COMP Cams Camshaft CS 293Qio8
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
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 |
Brochures
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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