APD Black Widow Carburetor Spacers are custom CNC machined, 1 piece billet aluminum construction, and hard anodized.
Typical dyno results show 10-12 HP gain on most engines.
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APD Inline -10 fuel filter works with gas or alcohol.
APD Max Speed carburetors offer a convenient all-in-one design developed specifically for .90 competition. Allow 2 weeks for delivery.
APD’s Belt Driven Fuel System is compatible with gas or alcohol.