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...$14.50... 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...$58.25... 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.$65.79... more info -
BX4 Nitrous Bracket assembly
Allows easy installation to all BX4 Billet main section applications.$31.99... 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,...$145.25... 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.$65.78... more info -
Nitrous switch bracket screw (Body)
Part Number: 8200BX4-4 Mounting bracket screws, mounts 8200BX4 bracket and assembly to any BX4 4150 main sections as well to most all Holley®, QFT®...$0.55... more info -
Nitrous Switch Mount nylock nuts
Part Number: 8200BX4-5 Nitrous switch mounting lock nuts for use in 8200BX4 bracket assembly 2-required. Product images are for illustrative purposes...$0.18... more info -
Nitrous Switch screws
Part Number: 8200BX4-3 Mounting bolts for the 8200BX4-1 to allow proper mounting and tension on your application 2 are needed. Product images are for...$0.42... more info -
Nitrous Switch, only
Part Number: 8200BX4-2 Nitrous switch for use in all 8200BX4 applications, also available for use with most outside manufacturers mounting systems.$4.25... 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 -
Wide open throttle switch bracket only
Part Number: 8200BX4-1 8200BX4-1 nitrous bracket replacement mount only. Product images are for illustrative purposes only and may differ from the...$21.99... more info