Weiand Action +Plus™ Small Block Chevy Intake Manifold
Weiand sets new precedent in intake manifold design for which all others will follow with their new Action +Plus™ dual plane intake manifold for small block Chevy engines, P/N 8120. The 8120 fits 262-400 CID engines from 1957-1986 and 1987 and later engines with aluminum heads.
Using Pro-E computer design, rapid prototyping, CFD air flow design, along with a permanent mold casting process, the Action +Plus 8120 produces more horsepower and torque then similar intakes currently on the market. The permanent mold casting process produces a lighter and more consistent casting. The results are smoother intake runners that optimize atomization of fuel, mixing of fuel/air and the distribution of the fuel/ air to the cylinders creating more power.
Each casting is CNC machined to give an exact fit and exact port match to the heads with ports measuring 1.84” H and 1.12” W. The 8120 makes best power from idle to 5500 RPM’s while giving excellent hood clearance with a front height of 3.50” and a rear height of 4.50” and has a 4150 style square bore mounting flange.
The Weiand Action +Plus 8120 is available in three finishes, satin P/N 8120, hand polished aluminum P/N 8120P and the new Everbright™ finish P/N 8120C. The Everbright™ finish has the look of polished aluminum and the durability of powder coating. It is low maintenance with no polishing required and will not be affected by heat or gasoline spills.
For more information contact Holley Tech Service, P.O. Box 10360, Bowling Green, KY., 42101-7360, Telephone 270-781-9741. For nearest dealer: 1-800-HOLLEY-1. Or visit us on the web: www.weiand.com.
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