Page 76 - 2020 Allstar Performance Parts and Equipment Catalog

COOLING Expansion Tanks Overflow Nozzles

Aluminum nozzle acts as a signal
Aluminum expansion tanks are commonly
mounted as the highest point of the cooling
overheating condition as the cooling
system and used as a fill point on vehicles that
system pushes out water. Nozzle with
have a low mounted radiator or when the fill to the driver to indicate a possible ALL30178 ALL30179
point on the radiator is not accessible. The threaded body mounts in a body panel outside the drivers
1/2"NPT bottom supply fitting is commonly compartment and is available with a 1/4" barb or a -4AN
connected to the low pressure side of the cooling male fitting.
system and the return fitting is connected to a port located ALL30178 ..... Nozzle With 1/4" Barb Fitting
high on the engine to help release any air trapped in the ALL30179 ..... Nozzle With -4AN Male Fitting
system. Tanks feature a machined filler neck to accept most
standard radiator caps and a 1/8"NPT port for connecting to Radiator Overflow Fitting ALL99312
an overflow tank.
Commonly used fitting threads into the filler
ALL36115 ..... Tank With Attached Mounting Bracket 28 oz. neck on most radiators allowing connection
Capacity With a 3/8"NPT Return Fitting to an overflow tank. Aluminum fitting has
ALL36116 ..... Tank With Separate Mounting Bracket 20 oz.
Capacity With a 1/4"NPT Return Fitting 1/8"NPT threads and accepts a 5/16" hose.

Plastic Overflow Tanks Overflow Hose
Plastic tanks have a one quart capacity and help Overflow hose, also referred to as fuel
prevent coolant from spilling onto the ground. line is reinforced to help prevent kinking
Tanks have swivel fittings that accept 5/16" and is rated up to 50PSI. Size indicated is I.D. of hose.
overflow hose and have 1/4"-20 molded inserts Hose I.D. 3' Length 25' Length
for easy mounting. 1/4" ALL40350 ALL40351
ALL36154 ..... Tank With Drain Valve (Non-Recovery) 5/16" ALL40353 ALL40354
ALL36155 ..... Tank with 90° Fitting (Recovery) 3/8" ALL40356 ALL40357

Overflow Tank Brackets Water Pressure Warning Kit
Billet aluminum bracket mounts most ALL80250
popular plastic overflow tanks to round Warning kit senses pres-
chassis tubing and pivot to any angle. sure in the cooling system
Tank mounting holes accept 1/4" fas- and alerts driver of a problem
teners and are slotted to fit tanks with mounting holes when coolant pressure drops
between 3-1/2" to 4" CTC. below 4 PSI. In the event of coolant loss
ALL14200 ..... Bracket For 1-1/2" Tubing (i.e. blown radiator hose). The temperature
ALL14201 ..... Bracket For 1-3/4" Tubing gauge probe is no longer surrounded by coolant to detect
the engine temperature, this will lead to a false temperature
Overflow Tank ALL36112 gauge reading and major engine damage.
Aluminum tank has a 3/8"NPT bung on the
side and a 1/2"NPT bung on the bottom that Temperature Gauge Probe Adapters
includes fitting and petcock. 1 quart capacity Aluminum adapters are a nice upgrade from
tank can be used in many forms of competition brass adapters and feature a longer length for
and is mandated by most sanctioning bodies to use in shallow applications when the mechan-
prevent coolant from spilling on the racing surface. ical temperature gauge probe may contact the
inside of a cylinder head or intake manifold. Extra length
Stainless Overflow Tanks of fitting will still allow end of probe to protrude into the
coolant for accurate readings.
Stainless steel tanks capture coolant overflow and
recirculates it to the radiator. Machined aluminum cap ALL50203 ..... 3/8"NPT
twists into the filler neck and seals with an O-ring. Inlet/ ALL50204 ..... 1/2"NPT
outlet fittings accept 1/4" diameter hose. Unit includes
mounting brackets and hardware. Measurements are of Mechanical Gauges
tank body; add 2" for overall length. Allstar Performance 2-5/8"
mechanical gauges feature a
ALL36150 ..... 2" x 13"
ALL36151 ..... 2" x 15" full 270° sweeping needle, silver
faced background, black bezel and are backlit for easy
reading, even in low light conditions. Perfect for building
Petcock ALL99030
custom dash panels or when adding mechanical gauges
Replacement petcock for Allstar breather and to replace existing gauges or warning lights.
overflow tanks is also perfect for draining coolant
from engines. 1/4"NPT threads. See Page 84 For A Complete Listing Of
Gauges And Gauge Panels.
74 www.allstarperformance.com