Home > Walbro Big Bore Carb

Walbro Big Bore Carb Assembly The Walbro Big Bore carbs starts as a Walbro WB3A carb and is taken as far as it can go with a standard venturi. This carb is designed for gas but is capable of up to 40% methanol in most applications. This is a stock appearing carb and is not legal for stock class applications. Carb includes flex-t adjustable needle and billet filter cup. Price: $190.00

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