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COMP Cams Camshaft Kit CS 300R

SKU: CCAK12-705-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CS 300R

SKU: CCAK12-705-8

Camshaft Kits

CCA Camshaft Kits...

A$3,408.97
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

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:300
Advertised Intake Duration:300
Amazon ASIN:B001GETEXS
Assembly Lubricant Included:No
Basic Operating RPM Range:3,000-7000
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 Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Magnum
Description:Magnum 255/255 Solid Roller Cam K-Kit 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:300
Exhaust Valve Lift(in):0.575
Exhaust Valve Lift:0.575
Gaskets Included:No
Intake Duration @ .050 in.:255
Intake Duration at .050 Inch Lift:255
Intake Duration:300
Intake Valve Lift(in):0.575
Intake Valve Lift:0.575
Kit Type:K-Kit - Complete Kit
Lifter Type:Solid Roller
Lifters Included:Yes
Lobe Separation:110
Part Number:ccaK12-705-8
RPM Range:3000-9000
Title:Magnum 255/255 Solid Roller Cam K-Kit for Chevrolet Small Block
Usage:Street/Strip
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

Data: v4.2 - Upd: 2026-10-13 17:41:05

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
K12-705-8
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Magnum Solid Roller Cam and Lifter Kits
Product Attributes - UPC
036584460350
Product Attributes - Cam Style
Solid roller, Retro-fit
Product Attributes - Basic Operating RPM Range
3,000-7,000
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Intake Duration at 050 inch Lift
255
Product Attributes - Exhaust Duration at 050 inch Lift
255
Product Attributes - Duration at 050 inch Lift
255 int./255 exh.
Product Attributes - Advertised Intake Duration
300
Product Attributes - Advertised Exhaust Duration
300
Product Attributes - Advertised Duration
300 int./300 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.575 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.575 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.575 int./0.575 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Intake Valve Lash
0.020 in.
Product Attributes - Exhaust Valve Lash
0.020 in.
Product Attributes - Grind Number
CS 300A-R10
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Mechanical roller
Product Attributes - Valve Springs Included
Yes
Product Attributes - Outside Diameter of Outer Spring (in.)
1.460 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 non-roller
Product Attributes - Assembly Lubricant Included
No
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 ccaK12-705-8
SFX Item ID 4123790
Supplier Item Code 4123790
Manufacturer SKU K12-705-8
Manufacturer UPC 36584460350
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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