Page 29 - 2022-23 Auto Performance Drag Racing

Y-Block Adapter ALL31159
Billet Water Neck Spacer ALL30375
Billet aluminum spacer fits between
intake manifold and water neck, providing
connection options for temperature send-
ers or additional water lines. 1" tall spacer fits
most Chevy V8’s. Includes four 1/2"NPT ports with plugs and an O-ring seal on one side, eliminating the need for a gasket.
GM LS Coolant By-Pass/Crossover Plugs ALL31170 NEW!
Plugs provide a location to bleed air from cooling system of most GM LS engines. Replace factory original plugs or use in place of factory crossover steam tubes. Kit includes two plugs with O-rings.
Inline Thermostat Housing ALL31160
Black anodized aluminum inline ther- mostat housing fits GM-style thermo- stats. Use with 1.5" hose size.
Water Outlet Restrictor Kit ALL30241
Restrictor replaces the thermostat to
control the flow of water through the cool-
ing system. Kit contains three 2-1/8" O.D. aluminum restrictors with 5/8", 3/4", and a 1" center I.D. hole that fit most GM V8 or V6 and SB Ford water outlets.
Aluminum Radiator Hose Restrictor ALL30242
Lower radiator hose restrictor helps keep the water in your radiator longer to improve cooling. Machined aluminum restrictor has a 5/8" I.D. and will fit into most 1-3/4" radiator outlets or radiator hose.
Radiator Hoses
Two-ply coolant hose is flexible and adapts to a variety of applications. Abrasion-resistant cover will not crack or harden.
Billet aluminum Y-Block is commonly used
when connecting inline or remote electric
water pumps to AN block adapters. 1-1/4"-
12 inlet port accepts Allstar ALL31135-31140
O-ring style fittings for direct hose or AN-style connections. Outlet ports accept standard -12AN ORB fittings to connect to block adapters.
DRAG RACING
Cooling
Part No.
Description
ALL31135
1-1/4" Hose Fitting
ALL31136
1-1/2" Hose Fitting
ALL31137
1-3/4" Hose Fitting
ALL31138
-12AN Fitting
ALL31139
-16AN Fitting
ALL31140
-20AN Fitting
ALL31135 Remote Mount Electric Water Pump ALL31120
ALL31138
Compact water pump will flow up to 25 GPM which is perfect for intercoolers, dragsters, or compact engines. Pump can be used on 12-16 volt systems and only draws 8 amps. Electric motor is sealed to help prevent damage or cor- rosion and 6061-T6 billet aluminum housing is black hard coat anodized with threaded mount- ing holes for easy mounting. Accepts -12AN ORB fittings, complete unit weighs only 5 lbs.
Polished Water Necks
Aluminum water necks fit most Chevrolet V8’s. Two- piece design necks swivel 360° to accommodate LH and RH radiator inlets. An O-ring seal and two chrome-plated socket head cap screws are included.
ALL30171
ALL30170
ALL30172
Part No.
Related Parts
‡One-Piece Fixed Neck
Description
ALL30170
90° Neck
ALL30173
75° Neck
ALL30171
45° Neck
ALL30172‡
Straight Neck
ALL99136
Replacement O-Ring
SB Ford Chrome-Plated Water Neck ALL30174
Cast aluminum 45° water neck fits small block Ford. Includes an O-ring for sealing the base flange and two hex head bolts.
Billet Aluminum Swivel Water Necks
Part No.
Description
1-1/2" Dia. Upper Hose
ALL30200
12"
ALL30202
14"
ALL30204
15-1/2"
ALL30206
17"
ALL30208
20"
ALL30210
22"
ALL30212
25"
ALL30214
30"
1-3/4" Dia. Lower Hose
ALL30220
11"
ALL30222
13-1/2"
ALL30224
16-1/2"
ALL30226
19"
ALL30228
23-1/2"
Hose Clamps (2-Packs):
ALL18334
Clamps, Upper
ALL18336
Clamps, Lower
Billet aluminum water necks fit most Chevy V8’s, accept most standard thermostats, and swivel a full 360° to sim- plify connection of LH or RH radiator hoses to engine. Black anodized finish helps protect against corrosion. Stainless steel hardware and an O-ring for sealing the base of the water neck to engine are included.
Part No. Description
ALL30370
1-1/2"
ALL30371
1-3/4"
ALL30372
-16AN
ALL30373
-20AN
ALL30370
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2022-23