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COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits K51-600-11 Camshaft Kits, Thumpr, Roller, 227/241, Timing Set, Lifters, Springs, Retainers, Locks, Stem Seals, Pontiac, V8, Kit

SKU: CCAK51-600-11

Camshaft Kits

COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits K51-600-11 Camshaft Kits, Thumpr, Roller, 227/241, Timing Set, Lifters, Springs, Retainers, Locks, Stem Seals, Pontiac, V8, Kit

SKU: CCAK51-600-11

Camshaft Kits
A$3,381.74
LAST ONE! Est Ship 4-7 days. In stock at 1 location (only 1 available)

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Description

Tmpr227HrlrKPntiac

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.

Additional Information

High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

Application Summary

Pontiac 265-455 V8

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-11-09 07:44:10

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

# Document Type Download
1. Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 21:16:12

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU ccaK51-600-11
SFX Item ID 4776992
Accounting SKU cca-K51-600-11
Manufacturer SKU K51-600-11
Manufacturer UPC 036584382164
Alternative References CCA-K51-600-11, K51-600-11

Camshaft Kits, Thumpr, Hydraulic Roller, 227/241, Timing Set, Lifters, Springs, Retainers, Locks, Stem Seals, Pontiac, V8, Kit

COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. In an ongoing quest to provide you with the performance and sound that you demand, COMP Cams' engineering team proudly introduces the Thumpr Series hydraulic roller cam and lifter kits. They are designed for use in engines that were originally equipped with flat tappet camshafts. The lobe profile and grind characteristics of these Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap. They're designed to maximize the rough-idling characteristics of the cams, giving you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. They are available in three different grind profiles. Each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. Thumpr Series cam and lifter kits feature a cutting-edge hydraulic roller design that delivers a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance.

Product Attributes
BrandCOMP Cams
Manufacturer's Part NumberK51-600-11
Part TypeCamshaft Kits
Product LineCOMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits
UPC036584382164
Cam StyleHydraulic roller, Retro-fit
Basic Operating RPM Range1,700-5,500
Camshaft UseStreet/Strip
Intake Duration at 050 inch Lift227
Exhaust Duration at 050 inch Lift241
Advertised Intake Duration283
Advertised Exhaust Duration303
Advertised Duration283 int./303 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.513 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.498 in.
Camshaft Gear Attachment1-bolt
Grind Number283THR7
Computer-Controlled CompatibleNo
Lifters IncludedYes
Lifter StyleHydraulic roller
Valve Springs IncludedYes
Valve Spring StyleStandard
Retainers IncludedYes
Locks IncludedYes
Valve Stem Seals IncludedYes
Timing Chain and Gears IncludedYes
Assembly Lubricant IncludedNo
Pushrods IncludedNo
Rocker Arms IncludedNo
Gaskets IncludedNo
Valve Springs RequiredNo
QuantitySold as a kit.

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