Page 139 - 2020 Allstar Performance Parts and Equipment Catalog

Burst Panel Components Drag Hi-Flow
Carburetor Spacers
Specially designed for drag race
applications to isolate carburetor
from manifold, spacers prevent horse-
ALL26314 power-robbing heat transfer and increase
ALL26310 ALL26311
the distance from the bottom of the carburetor
Burst panel is designed to blow open to the manifold plenum for better air flow. Spacers are FUEL SYSTEM COMPONENTS
or release excessive manifold pres- CNC-machined in the U.S. from a polymer compound able
sure in the event of an internal engine to withstand temperatures up to 400°F. Available in open
explosion, helping to prevent costly ALL26313 or four hole versions for 4150 and 4500 series Holley and
supercharger and body damage. Panel Holley style carburetors in 1/2", 1" and 2" thicknesses.
meets SFI 23.1 specifications and is commonly used on Tapered four-hole spacers have specially contoured holes
supercharged, alcohol injected engines, mounting directly to increase air velocity under the carburetor. Not intended or
to the intake manifold or supercharger (screw type only). recommended for street or circle track use.
Outer frame deflectors will direct force away from car. Part No. Description Part No. Description
ALL26310 ..... Burst Panel, Large (3-1/8" x 6-1/8") 4150 Series 4500 Series
ALL26311 ..... Outer Burst Panel Frame ALL25980 Open, 1/2" ALL25990 Open, 1/2"
ALL26314 ..... Outer Burst Panel Frame With Deflector ALL25981 Open, 1" ALL25991 Open, 1"
ALL26313 ..... Inner Burst Panel Frame (Used when manifold has ALL25982 Open, 2" ALL25992 Open, 2"
an open plenum without burst panel support) ALL25983 4-Hole, 1/2" ALL25993 4-Hole, 1/2"
ALL26315 ..... Fastener Kit 10-24 x 3/4", 24-Pack (For use with ALL25984 4-Hole, 1" ALL25994 4-Hole, 1"
panel and outer frame or deflector.) ALL25985 4-Hole, 2" ALL25995 4-Hole, 2"
ALL26316 ..... Fastener Kit 10-24 x 1", 24-Pack (For use with ALL25986 Tapered 4-Hole, 1" ALL25996 Tapered 4-Hole, 1"
panel, inner frame and outer frame or deflector.) ALL25987 Tapered 4-Hole, 2" ALL25997 Tapered 4-Hole, 2"
Carb Shear Plates
Carb Hats Carb plates with built-in shear
design help maximize perfor-
Carburetor hats are ideal to
cover open carbs and pre- mance on race engines with a large
vent debris from falling into amount of cam overlap by creating a dam ALL25970
the engine while working in under the throttle plates, helping to build
ALL26040 ALL26042
garage or pit area while the low pressure while improving vacuum
air cleaner is removed. 2-1/2" signal to the carb. 1/2" tall plates are
tall carb hats are designed machined from 6061-T6 aluminum
to fit most carbs or throttle and clear anodized to protect
bodies with a 5-1/8" diam- against corrosion. Bottom View
eter neck. ALL26043 ALL26044 ALL25970 ..... 4150, 1-3/4" Bore
ALL25972 ..... 4500, 2" Bore
ALL26040 ..... Plastic Carb Hat
ALL26042 ..... Plastic Carb Hat With Screen, Use When ALL25973. .... 4500, 2-1/8" Bore
Adjusting Valves
ALL26043 ..... Aluminum Carb Hat, Standard Spun Aluminum Carburetor Gaskets
ALL26044 .... Aluminum Carb Hat, Deluxe Machined ALL87200 ..... 4150 Open
Aluminum With Sealing O-Ring
ALL87202 ..... 4150 4-Hole
Note: Hats will not clear choke linkage or shaft on Holley style carbs but will clear ALL87204 ..... 4412 2-Hole, 2bbl.
choke horn with choke linkage and shaft removed.
ALL87206 ..... 4500 Open, Dominator
Carburetor
Dominator Carb Hat Hold Down Nuts
ALL26041 Easily remove these hold down
Plastic carb hat is 2-3/8" tall and fits nuts with a 1/4" extension. The
over the 7-1/4" air cleaner opening of spring ball on your extension
Holley Dominator carburetors to prevent holds the nut in place, no wrench
water or debris from entering the engine. Solid cover may or socket needed! Package of 4.
be drilled when an air cleaner stud is used. ALL26324 ..... 5/16"-18 Coarse Thread Nuts
ALL26326 ..... 5/16"-24 Fine Thread Nuts

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