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COMP Cams Camshaft Kit CS XR258HR-11

SKU: CCAK08-409-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CS XR258HR-11

SKU: CCAK08-409-8

Camshaft Kits

CCA Camshaft Kits...

A$3,008.78
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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:262
Advertised Intake Duration:255
Amazon ASIN:B001R9DUQO
Assembly Lubricant Included:No
Basic Operating RPM Range:1,000-5,000
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:Austempered Ductile Iron
Camshaft Series:Xtreme 4x4
Description:Xtreme 4x4 206/210 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.:210
Exhaust Duration at .050 inch Lift:210
Exhaust Duration:262
Exhaust Valve Lift(in):0.458
Exhaust Valve Lift:0.458
Gaskets Included:No
Intake Duration @ .050 in.:206
Intake Duration at .050 Inch Lift:206
Intake Duration:255
Intake Valve Lift(in):0.458
Intake Valve Lift:0.458
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Lobe Separation:111
Part Number:ccaK08-409-8
RPM Range:1000-7000
Timing Chain and Gears Included:Yes
Title:Xtreme 4x4 206/210 Hydraulic Roller K-Kit for OE Roller SBC
Usage:Street/Performance
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
K08-409-8
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits
Product Attributes - UPC
036584041290
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Basic Operating RPM Range
1,000-5,000
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Intake Duration at 050 inch Lift
206
Product Attributes - Exhaust Duration at 050 inch Lift
210
Product Attributes - Duration at 050 inch Lift
206 int./210 exh.
Product Attributes - Advertised Intake Duration
258
Product Attributes - Advertised Exhaust Duration
262
Product Attributes - Advertised Duration
258 int./262 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.458 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.458 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.458 int./0.458 exh.
Product Attributes - Lobe Separation (degrees)
111
Product Attributes - Grind Number
CS X4 258HR-11
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 - 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 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 ccaK08-409-8
SFX Item ID 4123554
Supplier Item Code 4123554
Manufacturer SKU K08-409-8
Manufacturer UPC 36584041290
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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