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COMP Cams Cam & Lifter Kit 243/257 Cam/Lifter Kit Pontiac 265-455

SKU: CCACL51-602-11

Camshaft Kits

CCA Cam & Lifter Kits...

COMP Cams Cam & Lifter Kit 243/257 Cam/Lifter Kit Pontiac 265-455

SKU: CCACL51-602-11

Camshaft Kits

CCA Cam & Lifter Kits...

A$2,710.11
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters, Assembly Lube, Decals and Instructions.

Product Overview

Pontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal;

Product Details

Advertised Exhaust Duration:319
Advertised Intake Duration:299
Amazon ASIN:N/A
Assembly Lubricant Included:No
Basic Operating RPM Range:2,300-6,100
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 Roller
Camshaft Gear Attachment:1-Bolt
Camshaft Material:Billet Steel
Camshaft Series:Thumpr
Description:Big Mutha' Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit for Pontiac 265-455
Engine Family:Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration at .050 inch Lift:257
Exhaust Valve Lift:0.519
Grind Number:299THR7
Intake Duration at .050 Inch Lift:243
Intake Valve Lift:0.532
K-Kit Upgrade:K51-602-11
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:107
Part Number:ccaCL51-602-11
Title:Big Mutha' Thumpr 243/257 Hydraulic Roller Cam and Lifter Kit for Pontiac 265-455
Usage:Street/Strip
Valve Springs Required:Yes

Application Summary

Pontiac 265-455 V8

Part Type

Engine Camshaft and Lifter Kit

Data: v4.2 - Upd: 2026-10-13 17:39:47

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
CL51-602-11
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
Product Attributes - UPC
036584382195
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Basic Operating RPM Range
2,300-6,100
Product Attributes - Camshaft Use
Street/Strip
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
299
Product Attributes - Advertised Exhaust Duration
319
Product Attributes - Advertised Duration
299 int./319 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.532 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.519 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.532 int./0.519 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Camshaft Gear Attachment
1-bolt
Product Attributes - Grind Number
299THR7
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Hydraulic roller
Product Attributes - Valve Springs Included
No
Product Attributes - Retainers Included
No
Product Attributes - Locks Included
No
Product Attributes - Valve Stem Seals Included
No
Product Attributes - Timing Chain and Gears Included
No
Product Attributes - Assembly Lubricant Included
No
Product Attributes - Pushrods Included
No
Product Attributes - Rocker Arms Included
No
Product Attributes - Gaskets Included
No
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaCL51-602-11
SFX Item ID 4124778
Supplier Item Code 4124778
Manufacturer SKU CL51-602-11
Manufacturer UPC 36584382195
Alternative References sd455;

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Compatibility

Pontiac 265-455 V8

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