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COMP Cams Nitrided Camshaft CS XE274H-1

SKU: CCA12-246-20

Camshafts

CCA Camshafts...

COMP Cams Nitrided Camshaft CS XE274H-1

SKU: CCA12-246-20

Camshafts

CCA Camshafts...

A$972.45
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

XE NIT 230/236HFTSBC

Xtreme Energy NIT 230/236 Hydraulic Flat Tappet Cam for Chevy Small Block (Nitrided). Very strong mid-range torque and throttle response, 2200+ stall.

Additional Information

Very strong mid-range torque and throttle response, 2200+ stall. Nitrided.

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
• Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• 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/ T Engine VIN;
• w/ T Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ L Engine VIN;
• w/ L Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ V Engine VIN;
• w/ V Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ H Engine VIN;
• w/ H Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ H 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/ S Engine VIN; w/ H Engine VIN;
• w/ S Engine VIN; w/ H Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ Y Engine VIN;
• w/ Y Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ K Engine VIN; w/ H Engine VIN;
• w/ K Engine VIN; w/ H Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ X Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ X Engine VIN;
• w/ J Engine VIN;
• w/ J Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ K Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ K Engine VIN;
• Coupe;
• Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.; Coupe;
• w/ P Engine VIN;
• w/ R Engine VIN; Hyd. Flat Tappet; 1800-6000rpm; Adv. Dur. 274 Int./286 Ext.; V. Lift .49 Int./Exh.; Lobe Angle 110 deg.;
• w/ R Engine VIN;

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 21:25:45

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:286
Advertised Intake Duration:274
Amazon ASIN:B002EE2G66
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:Nitrided Cast Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy NIT 230/236 Hydraulic Flat Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:236
Exhaust Duration at .050 inch Lift:236
Exhaust Duration:286
Exhaust Valve Lift(in):0.49
Exhaust Valve Lift:0.49
Grind Number:XE274H
Intake Duration @ .050 in.:230
Intake Duration at .050 Inch Lift:230
Intake Duration:274
Intake Valve Lift(in):0.490
Intake Valve Lift:0.49
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Part Number:cca12-246-20
RPM Range:1700-6800
Title:Xtreme Energy NIT 230/236 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 19:00:41

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca12-246-20
SFX Item ID 4118619
Accounting SKU cca-12-246-20
Manufacturer SKU 12-246-20
Manufacturer UPC 036584177890
Alternative References 12-246-20, CCA-12-246-20

Camshaft, Hydraulic Flat Tappet, Advertised Duration 274/286, Lift .490/.490, Chevy, Small Block, Each

An excellent performing cam in street carbureted applications, just got more extreme! COMP Cams Xtreme Energy Pro-Plasma Nitrided camshafts give you the benefits of their best-selling cam with extreme durability. Pro-Plasma nitriding gives these cams increased hardness for improved initial and long-term wear characteristics. The race-proven process is the best way to increase the durability and lubricity of flat tappet camshafts. Don't be blinded by the bling of other shiny cams--choose COMP Cams Xtreme Energy Pro-Plasma nitrided camshafts.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number12-246-20
Part TypeCamshafts
Product LineCOMP Cams Xtreme Energy Pro-Plasma Nitrided Camshafts
UPC036584177890
Cam StyleHydraulic flat tappet
Camshaft UseStreet/Strip
Basic Operating RPM Range1,800-6,000
Intake Duration at 050 inch Lift230
Exhaust Duration at 050 inch Lift236
Duration at 050 inch Lift230 int./236 exh.
Advertised Intake Duration274
Advertised Exhaust Duration286
Advertised Duration274 int./286 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.490 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.490 in.
Valve Lift with Factory Rocker Arm Ratio0.490 int./0.490 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberXE274H
Valve Springs RequiredYes
QuantitySold individually.
NotesNitrided camshaft.

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