What components are included in this COMP Cams camshaft kit?

This K-Kit includes the camshaft, hydraulic roller lifters, valve springs, retainers, valve locks, valve stem seals, and a timing chain set. It also comes with assembly lube and installation instructions.

What kind of performance can I expect from the XR280HR-11 camshaft?

The XR280HR-11 camshaft grind is designed to provide good top-end power. To fully realize its potential, it's recommended to pair it with headers, lower differential gears, and a torque converter with a 2500 RPM or higher stall speed.

Does this camshaft kit fit LT-1 or LS1 engines?

No, this kit is specifically designed for 1987 and newer GEN 1 Small Block Chevrolet engines that came with a factory roller camshaft. It is not compatible with LT-1 or LS1 style engines.

COMP Cams CS XR280HR-11 Camshaft Kit K08-414-8

Name: COMP Cams Camshaft Kit CS XR280HR-11
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-kit-cs-xr280hr-11-t14-4396217
Price: 1451.01 USD
Availability: BackOrder

COMP Cams Camshaft Kit CS XR280HR-11

$1451.01

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 CS XR280HR-11 hydraulic roller camshaft kit for '87+ SBC 305-350 engines. Includes camshaft, lifters, springs, and more.

Key Features

Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts.
Includes camshaft, lifters, valve springs, retainers, valve locks, and valve stem seals.
Also includes a timing chain set and assembly lube for a complete installation.
This camshaft grind is known for good top-end power.
Designed for performance builds that will also utilize headers, lower gears, and a 2500+ RPM stall converter.

⚠️ 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

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Will this fit your vehicle?

Product Details

If you're looking to get more top-end power out of your Small Block Chevy, this COMP Cams CS XR280HR-11 camshaft kit is a solid option. This kit is designed for 1987 and newer Chevrolet 305 and 350 small block engines that came with a factory roller camshaft. It’s a popular choice for builds aiming for improved performance, especially in applications like the Chevrolet Camaro, Corvette, and various C/K series trucks from the late 80s and 90s.

This kit includes everything you need to swap out your camshaft and get your engine breathing better at higher RPMs. You'll find the camshaft itself, hydraulic roller lifters, valve springs, retainers, valve locks, and valve stem seals. It also comes with a timing chain set to ensure proper synchronization, and assembly lube to help with installation. The XR280HR-11 grind is known for its strong top-end power delivery, making it suitable for performance-oriented builds. Keep in mind that to really take advantage of this camshaft's potential, you'll want to pair it with headers, lower gearing in your differential, and a torque converter with at least a 2500 RPM stall speed.

This is a comprehensive kit that bundles many of the essential components for a camshaft upgrade. It’s designed to fit a wide range of vehicles from the late 80s through the mid-90s, including models like the Chevrolet C1500, Buick Roadmaster, and Cadillac Fleetwood. Always refer to the included instructions for the most accurate installation details and to ensure all components are used correctly for optimal performance and longevity.