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Weiand Stealth™ Air Strike™ High Rise Vortec Dual Plane Intake Manifold

By: Bill Tichenor01/20/2006 < Back to Blog Home
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Weiand sets a new precedent in intake manifold design for which all others will follow with their new Stealth™ Air Strike™ high rise isolated runner dual plane intake manifold for small block Chevy engines with 1996 and later Vortec (L31) iron heads, P/N 8502.

Using Pro-E computer design, rapid prototyping, CFD air flow design, along with a permanent mold casting process, the Stealth 8502 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 isolated intake runners that optimize atomization of fuel, a cooler denser air, better mixing of fuel/air and better 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 2.05” H and 1.11” W. The 8502 makes best power from 1500 to 6700 RPM’s while giving excellent hood clearance with a front height of 4.19” and a rear height of 5.27” and has a 4150 style square bore mounting flange.

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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