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COMP Cams Camshaft P8 287T H-107 T Thumper

SKU: CCA51-601-5

Camshafts

CCA Camshafts...

COMP Cams Camshaft P8 287T H-107 T Thumper

SKU: CCA51-601-5

Camshafts

CCA Camshafts...

Sale ends in Calculating...

A$731.44 A$815.17
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

Mutha' Thumpr 235/249 Hydraulic Flat Cam for Pontiac 265-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, 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:305
Advertised Intake Duration:287
Amazon ASIN:B005H89RZE
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,200-6,100
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:CL51-601-5
Camshaft Gear Attachment:1-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Thumpr
Description:Mutha' Thumpr 235/249 Hydraulic Flat Cam for Pontiac 265-455
Engine Family:Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration @ .050 in.:249
Exhaust Duration at .050 inch Lift:249
Exhaust Duration:305
Exhaust Valve Lift(in):0.475
Exhaust Valve Lift:0.475
Grind Number:287TH7
Intake Duration @ .050 in.:235
Intake Duration at .050 Inch Lift:235
Intake Duration:287
Intake Valve Lift(in):0.490
Intake Valve Lift:0.49
K-Kit Upgrade:K51-601-5
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Lobe Separation:107
Part Number:cca51-601-5
RPM Range:2200-7000
Title:Mutha' Thumpr 235/249 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: 2026-10-15 08:17:15

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
51-601-5
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Thumpr Hydraulic Flat Tappet Camshafts
Product Attributes - UPC
036584213253
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
2,200-6,100
Product Attributes - Intake Duration at 050 inch Lift
235
Product Attributes - Exhaust Duration at 050 inch Lift
249
Product Attributes - Duration at 050 inch Lift
235 int./249 exh.
Product Attributes - Advertised Intake Duration
287
Product Attributes - Advertised Exhaust Duration
305
Product Attributes - Advertised Duration
287 int./305 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.490 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.475 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.490 int./0.475 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
287TH7
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca51-601-5
SFX Item ID 4120577
Supplier Item Code 4120577
Manufacturer SKU 51-601-5
Manufacturer UPC 36584213253
Alternative References sd455;, 287T, H-107

Compatibility

Pontiac 265-455 V8

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