Professional Products Crosswind Oldsmobile 400/425-455 Intake Manifold
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InfoFinally a killer street intake for you Olds guys. This aluminum dual plane intake features an air gap under the plenum to help keep the air cooler, which makes more power. It has a square-bore carb pad which allows you to run the popular 4-bbl carbs. Can be drilled and tapped for nitrous. 1500-6500 rpm.
910-11259 Instructions (PDF)
910-11270 Dyno (PDF)
- 6-1/8" overall height
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This single plane intake fits 326-455 Pontiac V8's and was designed to fit under the hood of stock applications. Accepts either Quadrejet or Holley carbs. No heat crossover but can be drilled for nitrous. Plain or polished. RPM range is 2200-6500.
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