AFR Magnum 18 degree carbureted intake manifolds are designed with a 4500 carburetor flange. They are cast and machined on computerized machining centers, and are designed to run "as cast", with plenty of material to have manifolds CNC ported. These lightweight aluminum Magnum intake manifolds are offered in two deck heights. To be paired with AFR BBC Magnum cylinder heads, these intake manifolds will optimize the efficiency and performance of your AFR BBC Magnum cylinder heads.
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.
- Engine Block Style:
- Stock/OEM 10.2 in. deck
- Style:
- Single plane
- Basic Operating RPM Range:
- 4,000-8,500
- Material:
- Aluminum
- Finish:
- Natural
- Height:
- N/A
- Intake Section Included:
- Complete
- Carburetor Mount:
- 4-barrel Dominator
- Has Bosses:
- Yes
- Bosses Machined:
- No
- Boss Quantity:
- Eight
- EGR:
- No
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1965-1990
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Years:
- 1996-2000
- Engine Sizes:
- 7.4L/454
- Cylinder Head Style:
- AFR Magnum 18 Degree