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Basic BX4 Billet Builder kit 850cfm

Basic BX4 Billet Builder kit 850cfm

Product Description

Part Number:49281BX4
BX4 Billet Builder Kits are an excellent option for the professional carburetor builder, to assemble and calibrate a carburetor to their respective needs, without the excess work of scraping gaskets and reworking parts.
This is the kit in it's most basic form customization available upon request. These kits are completely un-assembled and need to have boosters installed and all components assembled.
Jets and Air bleed not included, are available upon request from the builder.
Billet made in USA components are easy to assemble and are accurate every time.
Custom applications are available please call your customer representative for details on specific applications.
Custom engraving available for the metering blocks and main section applicable fees apply.
Components included:
(1) 102203 Throttle shaft, 4150 progressive
(1) 102264-3 Throttle shaft, progressive primary 4150.
(4) 1540 Idle mixture screw.
(2) 16420 Float, brass center hung.
(2) 1741 Float pivot pin, center hung.
(2) 18136-110 Needle seat, .110 Viton.
(2) 21572-31 Pump discharge nozzle .031.
(2) 23258 Pump discharge needle.
(2) 23468 Pump nozzle rubber check valve.
(2) 25591Q-65 Power valve 6.5 gas/alky w/ gasket.
(4) 271521 Idle Mixture seal (rubber).
(2) 291094 Secondary return spring pin for 4150.
(1) L34R29A Pri Fuel Bowl Lightweight.
(1) L34R30A Sec Fuel Bowl Lightweight.
(2) 342183U Pump diaphragm cover, 30cc.Lightweight.
(2) 35342 Pump diaphragm, 30cc.
(2) 37133 Accelerator pump arm pivot.
(1) 38110 Spring, 4150 primary idle adjustment.
(2) 381216 Spring, float pivot.
(1) 381762 Spring, 4150 secondary throttle return.
(2) 38569 Spring, 30cc pump diaphragm.
(2) 39160 Needle & seat lock nut.
(2) 41330 Accelerator pump cam ( pink).
(1) 43601B-BLP BLP Adjustable secondary link kit/4150.
(4) 45296BX4-170 BX4 std style stepped booster prepped.
(2) 4744 Pump arm retainer clip.
(8) 4794 Bowl Screw Gaskets, nylon.
(1) 48183 Throttle linkage cotter pin.
(2) 4858-1.400 Vent tube, 1.400 long.
(4) 51016 Screw float bracket.
(2) 51241-3R-FE 2-circuit gas billet gas M/B.
(2) 51244-BX New Style Pump nozzle screw, hollow.
(1) 51271 Screw, primary idle adjust for 4150.
(2) 5159 Rivet, vent whistle.
(1) 51601 Screw, secondary idle adjust for 4150.
(1) 5200-750B Billet Base Plate (Bare) Black.
(1) 5251BX4-850 BX4 Billet Main Section 4BBL 750.
(2) 5313 Plug, accelerator pump passage on billet.
(8) 5369 Screw, 30cc accelerator pump cover.
(2) 5400VR455 Gasket, BLP non stick bowl.RED.
(2) 5401VR455 Gasket, BLP non stick metering block.
(12) 5500-00 Air Corrector Blank 10/32.
(8) 5552 Screw, fuel bowl OEM.
(6) 5567 Screw, 4150 main body to base plate.
(1) 5584 Screw,Secondary cam bracket.
(8) 56352 Screw, 3/16 long SS throttle plate torx.
(2) 5682 Screw, pump cam.
(2) 5765 Screw, needle & seat lock screw.
(2) 59171 Vent Baffle.
(2) 5979 Float bracket for center hung floats.
(2) 63741 Pump arm assembly 30 cc.
(1) 63822 Secondary cam bracket 4150.
(8) 7107 .250 Metering block plug.
(1) 81031 Gasket, 650-750 base to main body.
(2) 81185 Gasket, Holley fuel inlet 7/8.
(2) 81597 Gasket, power valve.
(2) 8540 Gasket fuel bowl sight screw.
(2) 8776 Gasket, needle & seat adjusting nut.
(2) 8777 Gasket needle & seat lock screw.
(4) 8844 Gasket pump nozzle screw.
(4) 9325-1 SS 1.750 T plate no hole.
Boosters not installed nominal charge to have this process completed.

Features

  • Model: 49281BX4
  • Shipping Weight: 6lbs
  • Manufactured by: BLP

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This product was added to our catalog on Friday 16 February, 2018.