Vehicle Fitment
- Fits Following Engines: 454 CID Chevy Big Block V8.
Drag Race™ Mechanical Flat Tappet Camshaft (11-683-47) by COMP Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.
Low-End RPM: 4500 |
Top-End RPM: 7500 |
Intake Duration at 0.050 In Lift: 270° |
Exhaust Duration at 0.050 In Lift: 280° |
Intake Valve Lift: 0.638" |
Exhaust Valve Lift: 0.638" |
Advertised Intake Duration: 310° |
Advertised Exhaust Duration: 320° |
Lobe Separation: 108° |
Intake Centerline: 110° |
Grind Number: 47S 310C-10 |
Attachment: 3-Bolt |
Material: Cast Iron |
Valve Timing: 0.020 |
Lobe Lift Intake: 0.375" |
Lobe Lift Exhaust: 0.375" |
Intake Open BTDC: 45° |
Exhaust Open BBDC: 90° |
Intake Close ABDC: 85° |
Exhaust Close ATDC: 50° |
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, COMP Cams® still retains the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.