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COMP Cams Nitrided Camshaft CB XE274H-1

SKU: CCA11-246-20

Camshafts

CCA Camshafts...

COMP Cams Nitrided Camshaft CB XE274H-1

SKU: CCA11-246-20

Camshafts

CCA Camshafts...

A$928.85
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

Xtreme Energy NIT 230/236 Hydraulic Flat Tappet Cam for Chevy Big Block 396-454 (Nitrided). High performance street. Very strong mid-range with headers and a 2200+ stall.

Product Overview

*Xtreme Energy Camshafts* * Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve * More vacuum allows an increase in duration for improved performance and assists power brakes * Excellent performance in street carbureted applications * Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.

Product Details

Advertised Exhaust Duration:286
Advertised Intake Duration:274
Amazon ASIN:B002EDX5XA
Assembly Lubricant Included:Yes
Basic Operating RPM Range:1,800-6,000
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 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 Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:236
Exhaust Duration at .050 inch Lift:236
Exhaust Duration:286
Exhaust Valve Lift(in):0.555
Exhaust Valve Lift:0.555
Grind Number:XE274H
Intake Duration @ .050 in.:230
Intake Duration at .050 Inch Lift:230
Intake Duration:274
Intake Valve Lift(in):0.552
Intake Valve Lift:0.552
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Lobe Separation:110
Part Number:cca11-246-20
RPM Range:1700-6800
Title:Xtreme Energy NIT 230/236 Hydraulic Flat Cam for Chevrolet Big Block 396-454
Usage:Street/Strip
Valve Springs Required:Yes

Application Summary

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:50:15

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
11-246-20
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Xtreme Energy Camshafts
Product Attributes - UPC
036584177791
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
High performance street, very strong mid-range, with header and 2200+ stall.
Product Attributes - Basic Operating RPM Range
1,800-6,000
Product Attributes - Intake Duration at 050 inch Lift
230
Product Attributes - Exhaust Duration at 050 inch Lift
236
Product Attributes - Duration at 050 inch Lift
230 int./236 exh.
Product Attributes - Advertised Intake Duration
274
Product Attributes - Advertised Exhaust Duration
286
Product Attributes - Advertised Duration
274 int./286 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.552 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.555 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.552 int./0.555 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
XE274H
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Cam has been nitrided.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-246-20
SFX Item ID 4118408
Supplier Item Code 4118408
Manufacturer SKU 11-246-20
Manufacturer UPC 36584177791
Alternative References c10, s10, XE274H-1

Compatibility

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

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