Page 68 - 2018 Allstar Performance Parts and Equipment Catalog

COOLING Radiator Caps Polished Water Necks

Aluminum water necks fit most Chevrolet V8’s. Two-piece
Higher cooling system pressure raises the
boiling point of coolant to reduce the risk of
accommodate LH and RH radiator inlets.
overheating. Standard size caps fit 2-1/8"
An O-ring seal and two chrome plated
O.D. x 3/4" deep necks unless otherwise ALL30129 design necks swivel 360 degrees to
noted. Recovery system caps allow coolant socket head cap screws are included.
to exit the cooling system into an overflow ALL30170 ..... 90 Degree Neck
or recovery bottle as coolant heats and ALL30173 ..... 75 Degree Neck ALL30170
expands. As the system cools, recovery ALL30136 ALL30171 .... 45 Degree Neck
system caps will draw coolant back in to ALL30172 .... Straight Neck
‡
keep the cooling system full. Non-recovery Related Parts:
system caps allow coolant to exit the ALL99136 ..... Replacement O-Ring
system, but do not draw coolant back into ‡One-Piece Fixed Neck ALL30171 ALL30172
the system. ALL30128
SB Ford Chrome Plated
Part No. Description Pressure
*Non-Recovery Radiator Caps Water Neck ALL30174
ALL30134 Stant Round 18-22 PSI Cast aluminum 45 degree water neck fits
ALL30135 Stant Round 21-25 PS small block Ford. Includes an O-ring for sealing
ALL30128 Stant Round 28-32 PSI the base flange and two hex head bolts.
*Recovery System Radiator Caps
ALL30132 Stant Round 16 PSI Billet Aluminum
ALL30133 Stant Round With Lever 16 PSI Swivel Water Necks
ALL30130 Stant Round With Lever 18-22 PSI Billet aluminum water necks fit most
ALL30137 Stant Octagon 21-25 PSI Chevy V8, accept most standard thermo- ALL30370
ALL30131 Stant Round With Lever 21-25 PSI stats and swivel a full 360 degree to simplify connection
ALL30136 Round 22-24 PSI of LH or RH radiator hoses to engine. Black anodized
ALL30129 Round 29-31 PSI finish helps protect against corrosion. Stainless steel hard-
ALL30138 Stant Octagon 38-42 PSI ware and an o-ring for sealing the base of the water neck
*Small Diameter Recovery System Radiator Caps to engine are included.
ALL30124 Stant Round Small Dia. (32mm I.D., 16mm deep) 16 PSI ALL30370 ..... 1-1/2" ALL30372 ..... -16AN
ALL30125 Stant Round Small Dia. (32mm I.D., 16mm deep) 19-21 PSI ALL30371 ..... 1-3/4" ALL30373 ..... -20AN
ALL30126 Stant Round Small Dia. (32mm I.D., 16mm deep) 28-32 PSI
*Warning: High pressure radiator caps are made for use on race vehicles only. Billet Water Neck Spacer
Do not use these caps on passenger vehicle cars with stock type radiators. It is
recommended to pressure test the complete cooling system to the maximum ALL30375
level of pressure indicated on the cap. Failure to test cooling system to the proper Billet aluminum spacer fits between
pressure prior to installing the cap may result in damage to the cooling system or
bodily injury. intake manifold and water neck providing
connection options for temperature senders or additional
Billet Aluminum Radiator Cap 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
ALL30139 side eliminating the need for a gasket.
Polished billet aluminum cover is permanently
pressed onto a 16 lb. recovery style radiator
cap for enhanced appearance within any engine com- Water Outlet Restrictor Kit
partment. Cap is a suitable choice for most street driven ALL30241
vehicles. Restrictor replaces the thermostat to
control the flow of water through the
Radiator Fin Tool Kit cooling system. Kit contains three 2-1/8" O.D. aluminum
ALL10680 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.
Hand held tool
straightens and repairs
damaged fins in most Aluminum Radiator Hose
radiators, coolers, and Restrictor ALL30242
air conditioning condensers. Repairing Lower radiator hose restrictor helps keep
damaged fins provides better airflow through core the water in your radiator longer to improve
increasing cooling ability. Six interchangeable heads in 13, cooling. Machined aluminum restrictor has
15, 16, 17, 18 and 20 fins per inch. a 5/8" I.D. and will fit into most 1-3/4"
radiator outlets or radiator hose.

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