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Willy's Carburetor & Dyno Shop Restrictor Plates

5.0 out of 5 stars 2 Customer Reviews

Willy's 1 in. adjustable restrictor plates allow the racer to dial custom torque and horsepower curves to specific track conditions. Willy's restrictor plate is fully O-ringed and is made from CNC-machined billet aluminum. This plate has 18 turns of adjustment, ranging from 1.750 in. to 1.000 in.

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Willy's Carburetor & Dyno Shop Restrictor Plates WCD8850

Carubretor Restrictor Plate, 1 in. Thick, Aluminum, Black Anodized, Willy's 4-Barrel/Holley 4150 Series, Each

Part Number: WCD-WCD8850

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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