Here you will find many of the custom accessories used with our BX4 and BX4 Billet carburetor assemblies.

BX4 and BX4 Xtreme Accessories
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BLP Booster banjo,BX4X 4150 Series.
Part number: 21891BX4X Modified booster banjos to fit BX4 Xtreme Large bore 4150 applications. Available in a large assortment of sizes to allow the...$13.48... more info -
8200BX45-NOS BX45 Nitrous Bracket assembly
Part Number: 8200BX45-NOS Our all-new BX45 Nitrous bracket assembly is designed to work with our BX45 billet main sections. using the already...$39.95... more info -
8201BX4X BX4 Xtreme 5-5/8 air cleaner base
BX4 Xtreme Air cleaner bottom base, this is based on a 5-5/8" base to accommodate the BX4 Xtreme large bore 4150 applications.$49.25... more info -
BX4 Xtreme Nitrous Bracket assembly
Part Number: 8200BX4X BX4 Xtreme nitrous bracket easily allows installation and operation mounted directly to the main section on all BX4 Xtreme...$31.99... more info -
BX4 Xtreme Scoop Mounting Adapter
Part Number: 8203BX4X New! BLP BX4 Xtreme Scoop Mounting adapter. This all new item converts the Xtreme 5-5/8" base to a standard 4500 bolt pattern,...$150.00... more info -
BX4 Xtreme5-5/8 air cleaner drop
Part Number:8201BX4XD BX4 Xtreme Air cleaner bottom base. Fits all BX4 Xtreme applications 5-5/8" Air cleaner seal.$49.25... more info -
Sure seal adapter ring
Part Number:8202BX4X This sure seal adapter allows you to get the most of your BX4 Xtreme air cleaner base. Its unique o-ring design allows for an...$26.75... more info