Emissions Warning
Products sold on this website may not be legal for use on public roads or highways due to Environmental Protection Agency (EPA) restrictions or California Air Resources Board (CARB) emissions regulations. Federal and State regulations may restrict Product installation to pre-emissions regulation (Model Year 1974 or earlier) or to competition/racing vehicles used exclusively in
1) events organized by recognized bodies, authorizing permits for participating drivers.
2) racing event qualification, and3) practice associated with events.
Installation of such products, including driving racing vehicles to and from the track, may be considered illegal “tampering ” or as “defeat device”, and may result in federal and state penalties. It is the purchaser’s responsibility to ensure compliance with all applicable emissions laws, including California’s stricter standards.
Proposition 65 Warning:
This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
- Cam Style:
- Mechanical roller tappet
- Basic Operating RPM Range:
- 3,800-7,400
- Intake Duration at .050 inch Lift:
- 256
- Exhaust Duration at .050 inch Lift:
- 264
- Duration at .050 inch Lift:
- 256 int./264 exh.
- Advertised Intake Duration:
- 286
- Advertised Exhaust Duration:
- 298
- Advertised Duration:
- 286 int./298 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.650 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.645 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.650 int./0.645 exh.
- Lobe Separation (degrees):
- 106
- Computer-Controlled Compatible:
- No
- Camshaft Gear Attachment:
- 1-bolt
- Valve Springs Required:
- Yes
- Camshaft Manufacturers Description:
- Mechanical Roller, OVAL TRACK Ultimate performance on 1/4-3/8 mile tracks
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/262-6.6L/400
- Years:
- 1955-1995