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COMP Cams Camshaft CS Xt256H-12

SKU: CCA12-252-4

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS Xt256H-12

SKU: CCA12-252-4

Camshafts

CCA Camshafts...

A$703.51
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

XT 212/212 HFTSBC

For Hydraulic Flat Tappet Lifters

Additional Information

Higher RPM street applications with 8-16 lbs. of boost.

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

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.

Additional Application Notes
• Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ Y Engine VIN;
• w/ Y Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ 7 Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ 7 Engine VIN;
• w/ S Engine VIN; w/ 7 Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ S Engine VIN; w/ 7 Engine VIN;
• w/ G Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ G Engine VIN;
• From 1985-1998 Chevrolet introduced the factory roller Small Block into GM cars and trucks. Verify whether or not your vehicle came with a factory roller camshaft. If your vehicle was equipped with a roller camshaft, look to our camshafts and kits that start with "08-".
• w/ X Engine VIN;
• w/ X Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ R Engine VIN;
• w/ R Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 256 Int./263 Exh.; Valve Lift .447 Int./.444 Exh.; Lobe Angle 112 deg.;
• w/ G Engine VIN; From 1985-1998 Chevrolet introduced the factory roller Small Block into GM cars and trucks. Verify whether or not your vehicle came with a factory roller camshaft. If your vehicle was equipped with a roller camshaft, look to our camshafts and kits that start with "08-".

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 21:25:44

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:263
Advertised Intake Duration:256
Amazon ASIN:B000P5D804
Assembly Lubricant Included:Yes
Basic Operating RPM Range:1,800-6,000
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 Flat Tappet
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Turbo
Description:Xtreme Turbo 212/212 Hydraulic Flat Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:212
Exhaust Duration at .050 inch Lift:212
Exhaust Duration:263
Exhaust Valve Lift(in):0.444
Exhaust Valve Lift:0.444
Grind Number:XT256H
Intake Duration @ .050 in.:212
Intake Duration at .050 Inch Lift:212
Intake Duration:256
Intake Valve Lift(in):0.447
Intake Valve Lift:0.447
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Part Number:cca12-252-4
RPM Range:1000-7000
Title:Xtreme Turbo 212/212 Hydraulic Flat Cam for Chevrolet Small Block
Usage:Street/Strip
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 19:00:43

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca12-252-4
SFX Item ID 4118626
Accounting SKU cca-12-252-4
Manufacturer SKU 12-252-4
Manufacturer UPC 036584078760
Alternative References 12-252-4, CCA-12-252-4

Camshaft, Hydraulic Flat Tappet, Advertised Duration 256/263, Lift .447/.444, Chevy, Small Block, Each

Get higher rpm for the street with COMP Cams Xtreme Turbo camshafts. They help build pressure between the engine and turbo for faster spool-up and deliver a wide powerband without compromising peak power. They are designed to focus on systems with boost-to-back pressure ratios that are similar to those on most modern turbo systems. Go extreme with Xtreme Turbo camshafts from COMP Cams.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number12-252-4
Part TypeCamshafts
Product LineCOMP Cams Xtreme Turbo Camshafts
UPC036584078760
Cam StyleHydraulic flat tappet
Camshaft UseStreet/Strip
Basic Operating RPM Range1,800-6,000
Intake Duration at 050 inch Lift212
Exhaust Duration at 050 inch Lift212
Duration at 050 inch Lift212 int./212 exh.
Advertised Intake Duration256
Advertised Exhaust Duration263
Advertised Duration256 int./263 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.447 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.444 in.
Valve Lift with Factory Rocker Arm Ratio0.447 int./0.444 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberXT256H
Valve Springs RequiredYes
QuantitySold individually.

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