

Specifications
- Brand
- COMP Cams
- Part #
- 11-433-8
- UPC
- 036584024873

COMP Cams Camshaft CB XR288HR-10
$610.12
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COMP Cams XR288HR-10 hydraulic roller camshaft for Chevrolet Big Block 396-454 engines. Improves street/strip performance.
Key Features
- Fits Chevrolet Big Block 396-454 engines originally equipped with flat tappet camshafts.
- Hydraulic roller design offers improved performance and durability over flat tappet cams.
- Intake duration is 236 degrees at .050 lift, exhaust duration is 242 degrees at .050 lift.
- Intake lift is .550 inches, exhaust lift is .550 inches.
- Recommended for street/strip applications and large cubic inch street machines with 2500+ stall converters.
- Not CARB approved; cannot ship to California.
⚠️ 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
This COMP Cams XR288HR-10 camshaft is built with a 236/242 degree intake/exhaust duration at .050 lift and .550/.550 lift, making it a solid choice for street/strip applications. It's designed for Chevrolet Big Block engines, specifically those originally equipped with flat tappet camshafts, and works well in larger cubic inch street machine engines that have a torque converter with a 2500+ stall speed.
The hydraulic roller design means less friction and more consistent valve lift compared to flat tappet cams, which can lead to improved performance and durability. This camshaft is a popular option for builders looking to get more power out of their big block Chevy, whether it's for weekend cruising or track days. It's important to note that this specific camshaft is not CARB approved and cannot be shipped to California. Also, be aware that 1965-66 396 c.i.d. models with an oiling groove in the rear journal require a different camshaft; if your engine falls into that category, you'll need to contact COMP Cams directly for assistance.
This camshaft fits a wide range of Chevrolet vehicles from the late 1960s through the early 1990s, including popular models like the Chevrolet Impala, Chevelle, and C10 Pickup. Ensure your engine was originally equipped with a flat tappet camshaft for proper installation and performance. For optimal results, consider pairing this camshaft with an upgraded torque converter and appropriate valve springs.
Specifications
- Brand
- COMP Cams
- Manufacturer Part #
- 11-433-8
- UPC
- 036584024873
Frequently Asked Questions
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