
Specifications
- Brand
- COMP Cams
- Part #
- 34-803-9
- UPC
- 036584670728

COMP Cams Camshaft FF 327D-R12
$604.45
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COMP Cams FF 327D-R12 camshaft for Ford Big Block 429/460 engines. Mechanical roller, Pro Stock style.
Key Features
- Fits Ford Big Block/385 Series 429 and 460 engines.
- Mechanical roller camshaft with a Pro Stock style design.
- Intended for engines 500 cubic inches or larger.
- Designed for use with Boss, SVO, or TFS cylinder heads.
- Features 290 degrees intake duration and 302 degrees exhaust duration at .050-inch lift.
- Offers .650-inch lift on both intake and exhaust.
⚠️ 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 FF 327D-R12 camshaft, a mechanical roller camshaft designed for serious performance builds on Ford Big Block 429 and 460 engines. It’s built in a Pro Stock style, intended for engines 500 cubic inches or larger, and is specifically suited for use with Boss, SVO, or TFS cylinder heads. If you're looking to extract maximum power from your large displacement Ford V8, this camshaft is a key component.
The FF 327D-R12 features a 290-degree intake duration and 302-degree exhaust duration at .050-inch lift, with a .650-inch lift on both intake and exhaust. These specifications indicate a camshaft that is aggressive and designed for high-RPM power. Its mechanical roller design means it uses roller lifters, which reduce friction compared to flat tappet designs, allowing for more aggressive lobe profiles and better performance. This camshaft is a solid option for those building a race engine or a high-performance street/strip application where top-end power is the priority.
When installing this camshaft, ensure your engine is set up to handle its demands. This includes using compatible cylinder heads like Boss, SVO, or TFS, and ensuring your engine displacement is 500 cubic inches or larger for optimal results. It's important to note that this camshaft is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper setup and break-in procedures to ensure longevity and performance.
Specifications
- Brand
- COMP Cams
- Manufacturer Part #
- 34-803-9
- UPC
- 036584670728
Frequently Asked Questions
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