BLP Offers many of the Genuine Holley® and BLP Billet Boosters for the discerning carburetor builder or performance enthusiast.
** Please note:
Installing boosters without proper tooling or experience can cause personal injury or damage to your components. It is recommended to have qualified personnel install boosters.
Boosters and Components
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Carburetor Parts->
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BLP Billet Injection Throttle Bodies
Fuel Filters
Gauges
Carburetor Parts->
|_ Base Plates and Components->
|_ Gaskets and Seals
|_ Main Sections & Accessories->
|_ Main Body, Holley® HP Series
|_ BX4 Billet 4150 Main Sections
|_ BX45 Billet Series Main Sections
|_ BX Billet Large bore 4500
|_ BX4 and BX4 Xtreme Accessories
|_ Pump Squirter Nozzle
|_ Boosters and Components
|_ Intermediate Tube
|_ Vent Tube
|_ Metering Blocks->
|_ Main Jet, Emulsion bleeds->
|_ Power Valve
|_ Fittings->
|_ Carb Kit, Complete, Unassembled->
|_ Fuel Log
|_ Fuel Bowls & Accessories->
|_ Linkage Kit, External, BLP 4500
|_ Overhaul Kit
|_ Screws, Fasteners, Springs and Hardware->
BLP Racing Carburetors->
Fuel Pumps->
Engine Drive Accessories->
Engine Hard Parts
Specialty & Carburetor Tools
Gift Certificates
Clearance Blowout
Specials ...
Featured Products ...
All Products ...
4150 Down-leg boosters. 156
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Part number: 45206 Holley® down-leg booster .156 feed hole. Designed to be installed in most Holley® 4150 series applications. Sold Individually...$3.55... more infoBLP Profiled Downleg Stepped Booster
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Part Number: 5100S-450 BLP DOWNLEG STEPPED BOOSTERS Recommended for 750 and smaller carburetors. BLP 4150 down leg boosters are machined from a high...$12.10... more info
4150 ANNULAR BOOSTER BANJO
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Part Number: 45260-1 OEM 4150 ANNULAR BOOSTER BANJO Annular Booster Banjo for 4150 applications. Genuine Holley® annular banjos designed to fit...$5.75... more info
4150 Down Leg Booster, .140 Hole
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Part number: 45146 HOLLEY® 4150 BOOSTERS Down leg with .140 hole. Sold Individually. picture for illustration purposes only$2.99... more info4150 Down Leg Booster, .178 Hole
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Part Number: 45165 HOLLEY® 4150 BOOSTERS Down leg with .178 hole.$3.45... more info4150 Stepped DownLeg Booster .156
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Part number: 45296 HOLLEY® 4150 BOOSTERS Stepped down leg with .156 hole.$4.99... more info
4150 Straight Leg Booster .125 Pilot
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Part Number: 45312 HOLLEY® 4150 BOOSTERS Straight leg heavy duty with .125 pilot hole, (must be sized). Sold individually.$4.51... more info
B-STYLE STEPPED BOOSTERS
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Part Number: 145-200 B-STYLE STEPPED BOOSTERS This new designed booster was engineered by Dave Braswell®; with special feature such as: improved...$9.00... more infoBLP Downleg Booster Legal
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Part number:5101 BLP 4150 down leg boosters are machined from a high hump heavy-duty blank. The booster leg is sized with a special ball-nosed reamer...$7.85... more infoBLP Downleg Booster Modified
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Part number: 5100 BLP DOWNLEG BOOSTERS BLP 4150 down leg boosters are machined from a high hump heavy-duty blank. The booster leg is sized with a...$9.40... more infoBLP Profiled Downleg Stepped Booster BX4
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Part number: 5100SBX4-435 BLP DOWNLEG STEPPED BOOSTERS FOR BX4 Recommended for 830 and larger carburetors BLP 4150 down leg boosters are machined...$13.75... more infoBLP Profiled Downleg Stepped Booster
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Part number: 5100S-435 BLP DOWNLEG STEPPED BOOSTERS Recommended for 830 and larger carburetors BLP 4150 down leg boosters are machined from a high...$12.10... more infoBX4 4150 Down Leg Booster, .158 Hole
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Part Number: 45206BX4 HOLLEY® 4150 BOOSTERS Down leg with .158 hole. Designed for use on the BLP BX4 4150 main sections. Not to use with...$13.55... more infoBX4 Profiled Downleg Stepped Booster.
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Part Number: 5100SBX4-450 BLP DOWNLEG STEPPED BOOSTERS Recommended for 750 and smaller carburetors. BLP 4150 down leg boosters are machined from a...$13.75... more info
BLP BX4X Large Bore 4150 Booster Stake Tubes
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Part Number: 141291BX4X For use in our BX4 Xtreme Large bore 4150 main bodies. Driveability of a 4150 and performance of a 4500.$4.99... more info4500 BOOSTER STAKE TUBE
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Part Number 141291 These 4500 Booster stake tubes are a great solution to replace or change feed sizes in your Holley® or BLP BX45 Billet...$4.55... more info
4500 HP Annular Booster Banjo
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Part Number: 21890 HP annular straight booster banjo only.$8.35... more info
4500 HP Annular Skirted Booster Banjo
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Part Number: 21891BLP HOLLEY® 4500 BOOSTER BANJOS AND INSERTS HP annular skirted booster banjo only. These banjos are made from Genuine Holley®...$12.35... more infoBLP BX Large Bore Booster Stake Tubes
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Part Number:141291BX For use in our, BX Large bore main bodies allowing you to calibrate your BX series main section with throttle bores up to 2.800...$5.25... more infoMachined 4500 Skirted Booster banjo
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Part Number: 5116 4500 SKIRTED BOOSTER BANJOS These 4500 series booster banjos have the skirt machined on the O.D.to accommodate the race carburetor...$15.95... more info
BILLET ANNULAR BOOSTER CENTER .500 ID ALKY
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BLP BILLET ANNULAR BOOSTER .500 I.D. booster center, alky fuel channel. All Billet booster inserts available in blank, 8, 12 or 16 hole...$11.25... more infoBILLET ANNULAR BOOSTER CENTER .500 ID
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BLP BILLET ANNULAR BOOSTER .500 I.D. booster center. All Billet booster inserts available in blank, 8, 12 or 16 hole configurations. Colors codes are...$11.25... more infoBILLET ANNULAR BOOSTER CENTER .600 ID
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BLP BILLET ANNULAR BOOSTER .600 I.D. booster center. All Billet booster inserts are available in blank, 8, 12, or 16-hole configurations. Colors...$11.25... more info
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