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Speedway Motors Bill Smith

Professional Products Crosswind Oldsmobile 400/425-455 Intake Manifold


Intake Manifold Type:
Dual Plane
Carburetor Quantity:
Carburetor Flange Type:
4-Barrel Square Bore

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Q & A

What's in the Box

Finally 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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