
Specifications
- Brand
- COMP Cams
- Part #
- 34-703-9
- UPC
- 036584670667

COMP Cams Camshaft FF 312B-R10
$630.73
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COMP Cams Camshaft FF 312B-R10 DR for Ford 429/460 Big Block engines. Designed for drag racing with high compression and stall speed.
Key Features
- Fits Ford Big Block 429 and 460 engines.
- Solid roller camshaft design for reduced friction and higher RPM capability.
- Intake duration of 276 degrees at .050 inch lift.
- Exhaust duration of 280 degrees at .050 inch lift.
- Recommended for engines with 11.5:1+ compression ratio.
- Designed for use with torque converters that stall around 5000 RPM.
⚠️ 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 is the COMP Cams Camshaft FF 312B-R10 DR, a solid roller camshaft specifically built for Ford 429 and 460 Big Block engines. If you're building a serious drag racing machine, this camshaft is engineered to help you get down the track faster. It's designed to work with high compression ratios and high stall speed torque converters, making it a key component for maximizing power in a competition engine.
The camshaft features a 276-degree intake duration and a 280-degree exhaust duration, measured at .050 inch lift. This profile is optimized for engines running 11.5:1 compression or higher and paired with a torque converter that stalls around 5000 RPM. The solid roller design means it uses roller lifters, which reduce friction compared to flat tappet designs, allowing for more aggressive lobe profiles and higher RPM operation. This translates to better airflow and more power when you need it most.
When installing this camshaft, ensure your engine is set up to handle the demands of a high-performance build. This includes proper valvetrain components like roller lifters, pushrods, and valve springs that are matched to the camshaft's specifications. Because this camshaft is intended for competition use and is not CARB approved, it cannot be shipped to California. Always refer to the manufacturer's installation instructions for detailed guidance on proper setup and break-in procedures.
Specifications
- Brand
- COMP Cams
- Manufacturer Part #
- 34-703-9
- UPC
- 036584670667
Frequently Asked Questions
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