

Specifications
- Brand
- COMP Cams
- Part #
- K08-503-8
- UPC
- 036584068822

COMP Cams Camshaft Kit CS XR276HR-12
$1350.20
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COMP Cams is known for performance engine parts. This hydraulic roller camshaft kit is for 87+ SBC engines and includes all necessary components for installation.
Key Features
- Fits 1987 and newer Chevrolet 305-350 Small Block engines with factory roller camshafts.
- This is a complete K-Kit, including camshaft, lifters, valve springs, retainers, valve locks, valve stem seals, and a timing chain set.
- Features an XE Computer Controlled hydraulic roller camshaft profile (XR276HR-12) for improved performance.
- Requires modified TPI with upgraded injectors, plenum, runners, and exhaust system for optimal performance.
- A torque converter with a 2000+ RPM stall speed and custom engine tuning are necessary for this camshaft.
- Includes assembly lube, decals, and instructions to aid in installation.
⚠️ 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
Product Details
COMP Cams is a well-known name when it comes to making engines perform better. This particular kit, the CS XR276HR-12, is a complete package designed to give your Small Block Chevy a noticeable boost in power, especially when you're looking to improve its computer-controlled fuel injection system. It’s built around a hydraulic roller camshaft, which is a more advanced design than older flat tappet systems, offering better performance and less wear over time.
This isn't just a camshaft; it's a full K-Kit, meaning it comes with everything you need to get the job done right. Inside, you'll find the camshaft itself, a set of hydraulic roller lifters, valve springs, retainers, valve locks, and valve stem seals. To make sure your timing is spot on, it also includes a timing chain set. They even throw in assembly lube and decals to help with the installation process. This kit is intended for 1987 and newer General Motors Small Block engines that originally came with a factory roller camshaft, covering a wide range of vehicles like the Chevrolet Camaro, Corvette, and various C/K series trucks.
To really unlock the potential of this camshaft, you'll need to make sure your engine's supporting systems are up to the task. This means modifications to your Tuned Port Injection (TPI) system, including the injectors, plenum, and runners, along with an upgraded exhaust system. A torque converter with a stall speed of 2000 RPM or higher is also recommended, and custom tuning of your engine's computer will be necessary. This kit is a significant upgrade for enthusiasts looking to get more out of their classic Chevy V8.
Specifications
- Brand
- COMP Cams
- Manufacturer Part #
- K08-503-8
- UPC
- 036584068822
Frequently Asked Questions
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COMP Cams Camshaft Kit CS XR276HR-12
