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COMP Cams Camshaft Kit CB 291T HR-107 M

SKU: CCAGK11-601-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CB 291T HR-107 M

SKU: CCAGK11-601-8

Camshaft Kits

CCA Camshaft Kits...

A$3,254.32
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

Mutha' Thumpr 235/249 Hydraulic Roller Cam

Product Overview

COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation. All cam kits are fully tested and manufactured to the strictest standards. Each kit’s components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.” *GK-Kit - Cam & Gear Kit* * Camshaft * Lifters * Gear Drive * Assembly Lube * Decals * Instructions

Product Details

Advertised Exhaust Duration:311
Advertised Intake Duration:291
Amazon ASIN:B002EE73OG
Basic Operating RPM Range:2,200-5,800
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 Series:Thumpr
Description:Mutha' Thumpr 235/249 Hydraulic Roller Cam GK-Kit Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:249
Exhaust Duration at .050 inch Lift:249
Exhaust Duration:311
Exhaust Valve Lift(in):0.542
Exhaust Valve Lift:0.542
Gaskets Included:No
Intake Duration @ .050 in.:235
Intake Duration at .050 Inch Lift:235
Intake Duration:291
Intake Valve Lift(in):0.558
Intake Valve Lift:0.558
Kit Type:GK-Kit - Cam and Gear Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Locks Included:No
Part Number:ccaGK11-601-8
Pushrods Included:No
RPM Range:2000-9000
Retainers Included:No
Timing Chain and Gears Included:Yes
Title:Mutha' Thumpr 235/249 Hydraulic Roller Cam GK-Kit Chevrolet Big Block 396-454
Usage:Street/Performance
Valve Stem Seals Included:No

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-13 17:41:10

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
GK11-601-8
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Thumpr Hydraulic Roller Cam and Lifter Kits
Product Attributes - UPC
036584183341
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Basic Operating RPM Range
2,000-5,800
Product Attributes - Camshaft Use
Street/Strip
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
291
Product Attributes - Advertised Exhaust Duration
311
Product Attributes - Advertised Duration
291 int./311 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.558 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.542 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.558 int./0.542 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Grind Number
291THR7
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
Yes
Product Attributes - Timing Chain Style
Gears
Product Attributes - Assembly Lubricant Included
Yes
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 ccaGK11-601-8
SFX Item ID 4123499
Supplier Item Code 4123499
Manufacturer SKU GK11-601-8
Manufacturer UPC 36584183341
Alternative References c10, s10, 291T, HR-107

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Application NotesRecommended, is, 2400, stall converter, intake, headers and gears.
  • MakeCHEVROLET
    Beginning Year1967
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Application NotesRecommended, is, 2400, stall converter, intake, headers and gears.
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    Application NotesRecommended, is, 2400, stall converter, intake, headers and gears.
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Application NotesRecommended, is, 2400, stall converter, intake, headers and gears.

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