COMP Cams Camshaft CS 22/12 H6
COMP Cams Camshaft CS 22/12 H6
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A$722.45 A$805.55
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Description
Exclusive Comp Cams flash sale discount at StreetFX!
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LLOT 247/255 HFT SBC
under 10" 1: Cams for '55-'57 engines can be custom ordered. 2: The '87+ Chevy Small Block received provisions for Roller lifters. Most '87 - '93 GM cars came with Roller lifters, but most '87 - '95 trucks came with flat tappet lifters in Roller lifter style blocks. If a Roller Cam is desired and your block has OEM-style Roller Cam provisions. COMP Hydraulic Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased, as well as a '87+ OE-Style Hydraulic Roller Cam.
Additional Information
.400" lift rules. Rough idle. Low vacuum, under 10".
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
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.
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Advertised Exhaust Duration: | 306 |
| Advertised Intake Duration: | 300 |
| Amazon ASIN: | B001O05ZK0 |
| Assembly Lubricant Included: | Yes |
| Basic Operating RPM Range: | 3,000-6,000 |
| 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. |
| Cam Type: | Hydraulic Flat Tappet |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Cast Iron |
| Camshaft Series: | Low Lift Oval Track |
| Description: | Low Lift Oval Track 247/255 Hydraulic Flat Cam for Chevrolet Small Block |
| Engine Family: | Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| Exhaust Duration @ .050 in.: | 255 |
| Exhaust Duration at .050 inch Lift: | 255 |
| Exhaust Duration: | 306 |
| Exhaust Valve Lift(in): | 0.399 |
| Exhaust Valve Lift: | 0.399 |
| Grind Number: | 22/12 H-6 |
| Intake Duration @ .050 in.: | 247 |
| Intake Duration at .050 Inch Lift: | 247 |
| Intake Duration: | 300 |
| Intake Valve Lift(in): | 0.399 |
| Intake Valve Lift: | 0.399 |
| Lifter Type: | Hydraulic Flat Tappet |
| Lifters Included: | No |
| Part Number: | cca12-520-5 |
| RPM Range: | 2000-9000 |
| Title: | Low Lift Oval Track 247/255 Hydraulic Flat Cam for Chevrolet Small Block |
| Usage: | Strip |
| Valve Springs Required: | Yes |
Product Downloads
| # | Document Type | Download |
|---|---|---|
| 1. | Catalog |
|
Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | cca12-520-5 |
| SFX Item ID | 4118716 |
| Accounting SKU | cca-12-520-5 |
| Manufacturer SKU | 12-520-5 |
| Manufacturer UPC | 036584642398 |
| Alternative References | 12-520-5, CCA-12-520-5 |
Camshaft, Hydraulic Flat Tappet, Advertised Duration 300/306, Lift .399/.399, Chevy, Small Block, Each
These low lift oval track camshafts from COMP Cams are great for oval track classes that have low lift rules. These cams feature optimized duration and lobe separation angles to make the most power from limited valve lift. They produce a rough idle and very good power to go the distance.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 12-520-5 |
| Part Type | Camshafts |
| Product Line | COMP Cams Low Lift Oval Track Camshafts |
| UPC | 036584642398 |
| Cam Style | Hydraulic flat tappet |
| Camshaft Use | Drag race |
| Basic Operating RPM Range | 3,000-6,000 |
| Intake Duration at 050 inch Lift | 247 |
| Exhaust Duration at 050 inch Lift | 255 |
| Duration at 050 inch Lift | 247 int./255 exh. |
| Advertised Intake Duration | 300 |
| Advertised Exhaust Duration | 306 |
| Advertised Duration | 300 int./306 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.399 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.399 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.399 int./0.399 exh. |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | CS 22/12 H6 |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
| Notes | Designed for Circle Track classes with 0.400 in. lift rule. |
Compatibility
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