Description
K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.
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: | 297 |
|---|---|
| Advertised Intake Duration: | 279 |
| Amazon ASIN: | B001S1W03U |
| Assembly Lubricant Included: | Yes |
| Basic Operating RPM Range: | 2,000-5,800 |
| 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: | 3-Bolt |
| Camshaft Material: | Cast Iron |
| Camshaft Series: | Thumpr |
| Description: | Thumpr 227/241 Hydraulic Flat Cam K-Kit for Chevrolet Small Block |
| Engine Family: | Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| Exhaust Duration @ .050 in.: | 241 |
| Exhaust Duration at .050 inch Lift: | 241 |
| Exhaust Duration: | 297 |
| Exhaust Valve Lift(in): | 0.465 |
| Exhaust Valve Lift: | 0.465 |
| Gaskets Included: | No |
| Intake Duration @ .050 in.: | 227 |
| Intake Duration at .050 Inch Lift: | 227 |
| Intake Duration: | 279 |
| Intake Valve Lift(in): | 0.479 |
| Intake Valve Lift: | 0.479 |
| Kit Type: | K-Kit - Complete Kit |
| Lifter Type: | Hydraulic Flat Tappet |
| Lifters Included: | Yes |
| Lobe Separation: | 107 |
| Part Number: | ccaK12-600-4 |
| RPM Range: | 2000-9000 |
| Title: | Thumpr 227/241 Hydraulic Flat Cam K-Kit for Chevrolet Small Block |
| Usage: | Street/Performance |
| Valve Springs Included: | 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 Kit
Specifications
- Product Attributes - Brand
- COMP Cams
- Product Attributes - Manufacturer's Part Number
- K12-600-4
- Product Attributes - Part Type
- Camshaft Kits
- Product Attributes - Product Line
- COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits
- Product Attributes - UPC
- 036584182214
- Product Attributes - Cam Style
- Hydraulic flat tappet
- Product Attributes - Basic Operating RPM Range
- 2,000-5,800
- Product Attributes - Camshaft Use
- Street/Strip
- Product Attributes - Intake Duration at 050 inch Lift
- 227
- Product Attributes - Exhaust Duration at 050 inch Lift
- 241
- Product Attributes - Duration at 050 inch Lift
- 227 int./241 exh.
- Product Attributes - Advertised Intake Duration
- 279
- Product Attributes - Advertised Exhaust Duration
- 297
- Product Attributes - Advertised Duration
- 279 int./297 exh.
- Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
- 0.479 in.
- Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
- 0.465 in.
- Product Attributes - Valve Lift with Factory Rocker Arm Ratio
- 0.479 int./0.465 exh.
- Product Attributes - Lobe Separation (degrees)
- 107
- Product Attributes - Camshaft Gear Attachment
- 3-bolt
- Product Attributes - Grind Number
- 279TH7
- Product Attributes - Computer-Controlled Compatible
- No
- Product Attributes - Lifters Included
- Yes
- Product Attributes - Lifter Style
- Hydraulic flat tappet
- Product Attributes - Valve Springs Included
- Yes
- Product Attributes - Valve Spring Style
- Standard
- Product Attributes - Outside Diameter of Outer Spring (in.)
- 1.254 in.
- Product Attributes - Retainers Included
- Yes
- Product Attributes - Locks Included
- Yes
- Product Attributes - Valve Stem Seals Included
- Yes
- Product Attributes - Timing Chain and Gears Included
- Yes
- Product Attributes - Timing Chain Style
- Double roller
- 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
- No
- Product Attributes - Quantity
- Sold as a kit.
Reference Information
| Brand Name/s | Comp Cams |
|---|---|
| StreetFX SKU | ccaK12-600-4 |
| SFX Item ID | 4123772 |
| Supplier Item Code | 4123772 |
| Manufacturer SKU | K12-600-4 |
| Manufacturer UPC | 36584182214 |
| 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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