What is the main benefit of this COMP Cams Xtreme Energy camshaft?

This camshaft is designed to increase torque through the low and mid-range of your engine's RPM band. This results in a more responsive feel during everyday driving and improved pulling power.

Does this camshaft require any special installation procedures?

As a hydraulic flat tappet camshaft, it requires proper break-in procedures to ensure the lifters and cam lobes seat correctly. Always refer to the manufacturer's installation instructions for specific details and recommended break-in oil.

What other parts might I need when installing this camshaft?

When replacing a camshaft, it's often recommended to also replace the lifters, valve springs, and pushrods to ensure optimal performance and longevity. It's also a good idea to inspect the timing set.

COMP Cams Camshaft OL XE256H-10 42-221-4

Name: COMP Cams Camshaft OL XE256H-10
Brand: COMP Cams
Price: 330.15 USD
Availability: InStock

COMP Cams Camshaft OL XE256H-10

$330.15

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

COMP Cams Xtreme Energy camshaft for Oldsmobile 260-455 V8 engines. Delivers strong low-mid range torque with a good idle.

Key Features

Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8 engines.
Xtreme Energy camshaft profile for improved low and mid-range torque.
Hydraulic flat tappet design offers a good idle quality.
Intake duration is 212 degrees at .050 inch lift.
Exhaust duration is 218 degrees at .050 inch lift.
110 degree lobe separation angle.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

COMP Cams is well-known for performance camshafts and valvetrain components. This Xtreme Energy camshaft is designed for Oldsmobile V8 engines, specifically the 260 through 455 cubic inch displacements. It's a hydraulic flat tappet design that aims to give you a noticeable boost in torque through the low and mid-range RPMs, which is great for everyday driving and makes the engine feel more responsive off the line. You can expect a good, stable idle with this camshaft, making it a solid option for a wide range of vehicles like the Oldsmobile Cutlass Supreme, Buick Electra, and Chevrolet Caprice from the late 60s through the late 80s.

This camshaft features a 212 degrees of intake duration and 218 degrees of exhaust duration, with a .050 lift of 212 degrees on the intake and 218 degrees on the exhaust. The lobe separation angle is 110 degrees. These specs are chosen to improve the engine's breathing without making the idle too rough or demanding. It's a well-built component that can make a real difference in how your engine performs, especially if you're looking for improved pulling power without sacrificing drivability.