Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

COMP Cams Thumpr 235/249 Retro-Fit Hydraulic Roller Complete Kit For Oldsmobile 260-455

SKU: CCAK42-601-11

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Thumpr 235/249 Retro-Fit Hydraulic Roller Complete Kit For Oldsmobile 260-455

SKU: CCAK42-601-11

Camshaft Kits

CCA Camshaft Kits...

A$3,286.17
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.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

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.

Product Overview

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.

Product Details

Description:Mutha' Thumpr 235/249 Hydraulic Roller K-Kit for Oldsmobile 260-455
Part Number:ccaK42-601-11

Application Summary

Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-13 17:39:46

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
K42-601-11
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits
Product Attributes - UPC
00036584381860
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 - Camshaft Manufacturers Description
High performance street/strip, needs 9:1 compression, 2,500 rpm stall, intake, gears, and headers, rough idle.
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
0.540 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.532 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.540 int./0.532 exh.
Product Attributes - Lobe Separation (degrees)
107
Product Attributes - Camshaft Gear Attachment
1-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
Yes
Product Attributes - Valve Spring Style
Standard
Product Attributes - Outside Diameter of Outer Spring (in.)
1.437 in.
Product Attributes - Retainers Included
Yes
Product Attributes - Locks Included
Yes
Product Attributes - Valve Stem Seals Included
Yes
Product Attributes - Timing Chain and Gears Included
Yes
Product Attributes - Timing Chain Style
Double roller
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
No
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK42-601-11
SFX Item ID 4124867
Supplier Item Code 4124867
Manufacturer SKU K42-601-11
Manufacturer UPC 36584381860

Brochures

Compatibility

Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8

Loading compatibility information...

Keep shopping

More from Comp Cams