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COMP Cams Nitrided Camshaft CB 295T H7

SKU: CCA11-602-20

Camshafts

CCA Camshafts...

COMP Cams Nitrided Camshaft CB 295T H7

SKU: CCA11-602-20

Camshafts

CCA Camshafts...

A$922.52
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

Big Mutha' Thumpr Nitrided 243/257 Hydraulic Flat Cam for Chevrolet Big Block 396-454. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gear and headers, very rough idle.

Product Overview

*Thumpr Camshafts* * Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods * Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note * Best with aftermarket converters and more rear gear

Product Details

Advertised Exhaust Duration:312
Advertised Intake Duration:295
Amazon ASIN:B002EDX1L6
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,300-6,200
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:Thumpr
Description:Thumpr NIT 243/257 Hydraulic Flat Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:257
Exhaust Duration at .050 inch Lift:257
Exhaust Duration:312
Exhaust Valve Lift(in):0.507
Exhaust Valve Lift:0.507
Grind Number:295TH7
Intake Duration @ .050 in.:243
Intake Duration at .050 Inch Lift:243
Intake Duration:295
Intake Valve Lift(in):0.522
Intake Valve Lift:0.522
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Lobe Separation:107
Part Number:cca11-602-20
RPM Range:2200-7200
Title:Thumpr NIT 243/257 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 17:49:25

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
11-602-20
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Thumpr Hydraulic Flat Tappet Camshafts
Product Attributes - UPC
036584177869
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
Street/strip, needs 9.5:1 compression, 2800+ stall, intake gears, and headers. Very rough idle.
Product Attributes - Basic Operating RPM Range
2,300-6,200
Product Attributes - Intake Duration at 050 inch Lift
243
Product Attributes - Exhaust Duration at 050 inch Lift
257
Product Attributes - Duration at 050 inch Lift
243 int./257 exh.
Product Attributes - Advertised Intake Duration
295
Product Attributes - Advertised Exhaust Duration
312
Product Attributes - Advertised Duration
295 int./312 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.522 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.507 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.522 int./0.507 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
295TH7
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 cca11-602-20
SFX Item ID 4118472
Supplier Item Code 4118472
Manufacturer SKU 11-602-20
Manufacturer UPC 36584177869
Alternative References c10, s10, 295T

Compatibility

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

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