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COMP Cams K42-226-4 Xtreme Energy Hydraulic Flat Cam K-Kit for Oldsmobile Engine Camshaft Kit - 260-455

(Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1977-81, LeMans 1976-77, Catalina 1977-81, Ventura 1975-77, Parisienne 1986 + 31 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K42-226-4
9 reviews
Sale Price

$612.68

Estimated ship date Thursday, November 26

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Product Details

The COMP Cams K42-226-4 Xtreme Energy K-Kit is a complete camshaft installation package designed specifically for Oldsmobile 260-455 cubic inch V8 engines. This comprehensive kit delivers enhanced performance with a 250/256 duration profile, providing improved throttle response and increased horsepower throughout the RPM range while maintaining excellent street manners.

Complete K-Kit Package Includes:

  • Xtreme Energy hydraulic flat tappet camshaft with 250°/256° advertised duration
  • Hydraulic flat tappet lifters engineered for optimal cam lobe contact
  • High-performance valve springs designed to match cam specifications
  • Precision valve spring retainers and locks
  • Valve stem seals for reliable oil control
  • Timing chain set for accurate valve timing
  • Assembly lube for proper break-in procedure
  • Installation instructions and COMP Cams decals

This Xtreme Energy series camshaft is ideal for street performance applications, muscle car restorations, and daily drivers seeking more aggressive acceleration and power. The hydraulic flat tappet design requires no valve lash adjustment and is compatible with stock or aftermarket cylinder heads. The kit provides everything needed for a professional-quality installation, eliminating the guesswork of component matching.

Application: Oldsmobile V8 engines 260, 307, 350, 403, and 455 cubic inch displacements.

Products specifications

Fits

Pontiac Firebird 1977-79, Grand Prix 1977, Bonneville 1977-81, LeMans 1976-77, Catalina 1977-81, Ventura 1975-77, Parisienne 1986, Bonneville (SE/SSE) 1977-81, Grand LeMans 1976-77, Grand Safari 1977-78, Safari 1987-89, Phoenix 1977 + 26 more models

Advertised Intake Duration

294

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.554

Exhaust Valve Lift

0.558

Basic Operating RPM Range

2,800-6800

Intake Duration at .050 Inch Lift

250

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Engine Family

Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)

AMAZON ASIN

B001R99R02

Usage

Street/Performance

Assembly Lubricant Included

Yes

LOBE SEPARATION

110

Lifter Type

Hydraulic Flat Tappet

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

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. 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.

Gaskets Included

No

Lifters Included

Yes

Advertised Exhaust Duration

306

Valve Springs Included

Yes

Exhaust Duration at .050 inch Lift

256

Camshaft Series

Xtreme Energy

Autoplicity is AWESOME!!! Best prices and SUPER fast shipping!!! Excellent customer service as well! Thanks again, you guys rock!

excellent service, i had to wait a few days for the order to be processesed, but only because i ordered on Friday afternoon, but love the site!

Autoplicity was quick and easy to order from. I found just what I was looking for in absolutely no time at all, plus it was shipped extremely quickly. I would definitely order from this site/company again.<br><br>Thanks!

excellent ship time and exceptional pricing deffinatly will buy from here again

Fast shipping, product was excellent .

I ordered a hitch off of this site for Christmas, I have never heard of it nor did I know how they were, but they are great! Got my package in I'd say 4 days, very fast and it was exactly what I wanted! Only down fall was they charged me 3 times and I was short 150$ for a few days. I got my money back and I would definitely order again.

Smooth transaction, very pleased

Tank You!! Thank you very much

They made a mistake with the shipping address, but, they took care of it very politely and professionally. Very nice. Thanks.

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