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COMP Cams Camshaft Kit CS XR270HR-12

SKU: CCAK08-417-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CS XR270HR-12

SKU: CCAK08-417-8

Camshaft Kits

CCA Camshaft Kits...

A$3,256.88
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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

COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation. All cam kits are fully tested and manufactured to the strictest standards. Each kit’s components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.” *K-Kit - Complete Kit Includes* * Camshaft * Lifters * Valve Springs * Retainers * Valve Locks * Valve Stem Seals * Assembly Lube * Decals * Instructions

Product Details

Advertised Exhaust Duration:276
Advertised Intake Duration:270
Amazon ASIN:B001GEXL1O
Assembly Lubricant Included:No
Basic Operating RPM Range:1,200-5,200
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
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Xtreme Marine
Description:Xtreme Marine 218/224 Hydraulic Roller K-Kit for OE Roller SBC
Engine Family:Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
Exhaust Duration @ .050 in.:224
Exhaust Duration at .050 inch Lift:224
Exhaust Duration:276
Exhaust Valve Lift(in):0.503
Exhaust Valve Lift:0.503
Gaskets Included:No
Intake Duration @ .050 in.:218
Intake Duration at .050 Inch Lift:218
Intake Duration:270
Intake Valve Lift(in):0.495
Intake Valve Lift:0.495
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Lobe Separation:112
Part Number:ccaK08-417-8
RPM Range:1000-7000
Timing Chain and Gears Included:Yes
Title:Xtreme Marine 218/224 Hydraulic Roller K-Kit for OE Roller SBC
Usage:Marine
Valve Springs Included:Yes
Valve Stem Seals Included:Yes

Application Summary

Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts (Not LT-1/LS1 etc)

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-13 17:41:09

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
K08-417-8
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Xtreme Marine Cam and Lifter Kits
Product Attributes - UPC
036584041696
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Basic Operating RPM Range
1,200-5,200
Product Attributes - Camshaft Use
Marine
Product Attributes - Camshaft Manufacturers Description
Largest for inboard/outboard, very good mid-range.
Product Attributes - Intake Duration at 050 inch Lift
218
Product Attributes - Exhaust Duration at 050 inch Lift
224
Product Attributes - Duration at 050 inch Lift
218 int./224 exh.
Product Attributes - Advertised Intake Duration
270
Product Attributes - Advertised Exhaust Duration
276
Product Attributes - Advertised Duration
270 int./276 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.495 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.503 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.495 int./0.503 exh.
Product Attributes - Lobe Separation (degrees)
112
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Hydraulic roller
Product Attributes - Valve Springs Included
Yes
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 - 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
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK08-417-8
SFX Item ID 4123561
Supplier Item Code 4123561
Manufacturer SKU K08-417-8
Manufacturer UPC 36584041696
Alternative References l46, l48, l65, lm1, lt-1, l82

Compatibility

Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts (Not LT-1/LS1 etc)

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