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COMP Cams Camshaft CS X4 270HR-11

SKU: CCA08-413-8

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS X4 270HR-11

SKU: CCA08-413-8

Camshafts

CCA Camshafts...

A$1,238.09
Available from MFR. In stock at 1 location (7 available)

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Description

X4 220/224 HRlrSBC

Xtreme 4x4 220/224 Hydraulic Roller Cam

Additional Information

Good mid-range power, needs headers, 3.55-4.10 gears, 2000 stall. Noticeable idle.

Application Summary

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

Part Type

Engine Camshaft

Product Overview

265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10

Additional Application Notes
• Fits only 1987 and newer blocks that have provisions (spider tray) for a roller camshaft.
• Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Roller; 1500-5200rpm; Adv. Dur. 270 Int./274 Exh.; Valve Lift .474 Int./Exh.; Lobe Angle 111 deg.;

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-07 21:25:54

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:274
Advertised Intake Duration:270
Assembly Lubricant Included:No
Basic Operating RPM Range:1,500-5,200
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 Roller
Cam and Lifter Kit Upgrade:CL08-413-8
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Xtreme 4x4
Description:Xtreme 4x4 220/224 Hydraulic Roller Cam 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:274
Exhaust Valve Lift(in):0.474
Exhaust Valve Lift:0.474
Grind Number:X4270HR
Intake Duration @ .050 in.:220
Intake Duration at .050 Inch Lift:220
Intake Duration:270
Intake Valve Lift(in):0.474
Intake Valve Lift:0.474
K-Kit Upgrade:K08-413-8
Lifter Type:Hydraulic Roller
Lifters Included:No
Part Number:cca08-413-8
RPM Range:1000-7000
SK-Kit Upgrade:SK08-413-8
Title:Xtreme 4x4 220/224 Hydraulic Roller Cam for OE Roller SBC
Usage:Street/Performance
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.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 18:59:53

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca08-413-8
SFX Item ID 4118258
Accounting SKU cca-08-413-8
Manufacturer SKU 08-413-8
Manufacturer UPC 036584038283
Alternative References 08-413-8, CCA-08-413-8

Camshaft, Hydraulic Roller Tappet, Advertised Duration 270/274, Lift .474/.474, Chevy, Small Block, Each

COMP Cams Xtreme 4x4 camshafts are built to take advantage of the latest cam technology to provide maximum performance and torque for your vehicle. Whether your use is off-roading or towing, there is an Xtreme 4x4 for you. By using an aggressive lobe profile, these cams provide better throttle response and more mid and top-end horsepower.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number08-413-8
Part TypeCamshafts
Product LineCOMP Cams Xtreme 4x4 Camshafts
UPC036584038283
Cam StyleHydraulic roller, OE roller
Camshaft UseStreet/Strip
Basic Operating RPM Range1,500-5,500
Intake Duration at 050 inch Lift220
Exhaust Duration at 050 inch Lift224
Duration at 050 inch Lift220 int./224 exh.
Advertised Intake Duration270
Advertised Exhaust Duration274
Advertised Duration270 int./274 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.474 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.474 in.
Valve Lift with Factory Rocker Arm Ratio0.474 int./0.474 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberCS X4 270HR-11
Valve Springs RequiredYes
QuantitySold individually.

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