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COMP Cams Camshaft P8 295T H-107 T Thumper

SKU: CCA51-602-5

Camshafts

CCA Camshafts...

COMP Cams Camshaft P8 295T H-107 T Thumper

SKU: CCA51-602-5

Camshafts

CCA Camshafts...

Sale ends in Calculating...

A$731.53 A$815.17
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Pontiac 265-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears 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:313
Advertised Intake Duration:295
Amazon ASIN:B005H89S1C
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,500-6,400
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
Cam and Lifter Kit Upgrade:CL51-602-5
Camshaft Gear Attachment:1-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Thumpr
Description:Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Pontiac 265-455
Engine Family:Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration @ .050 in.:257
Exhaust Duration at .050 inch Lift:257
Exhaust Duration:313
Exhaust Valve Lift(in):0.486
Exhaust Valve Lift:0.486
Grind Number:295TH7
Intake Duration @ .050 in.:243
Intake Duration at .050 Inch Lift:243
Intake Duration:295
Intake Valve Lift(in):0.501
Intake Valve Lift:0.501
K-Kit Upgrade:K51-602-5
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Lobe Separation:107
Part Number:cca51-602-5
RPM Range:2500-7200
Title:Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Pontiac 265-455
Usage:Street/Strip
Valve Springs Required:Yes

Application Summary

Pontiac 265-455 V8

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-18 12:20:43

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
51-602-5
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Thumpr Hydraulic Flat Tappet Camshafts
Product Attributes - UPC
036584213260
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
2,500-6,400
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
313
Product Attributes - Advertised Duration
295 int./313 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.501 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.486 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.501 int./0.486 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Camshaft Gear Attachment
1-bolt
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.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca51-602-5
SFX Item ID 4120578
Supplier Item Code 4120578
Manufacturer SKU 51-602-5
Manufacturer UPC 36584213260
Alternative References sd455;, 295T, H-107

Compatibility

Pontiac 265-455 V8

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