Page 38 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

COOLING

RADIATOR CAPS SB FORD CHROME PLATED
Higher cooling system pressure raises the boiling point of coolant to reduce WATER NECK ALL30174
the risk of overheating. Standard size caps fit 2-1/8" O.D. x 3/4" deep necks Cast aluminum 45 degree water neck fits small block Ford.
unless otherwise noted. Recovery system caps allow coolant to exit the cooling Includes an O-ring for sealing the base flange and two hex head
system into an overflow or recovery bottle as coolant heats and expands. As bolts.
the system cools, recovery system caps will draw coolant back in to keep the
cooling system full. Non-recovery system caps allow coolant to exit the
system, but do not draw coolant back into the system. BILLET ALUMINUM
SWIVEL WATER NECKS
Billet aluminum water necks fit most Chevy V8,
accept most standard thermostats and swivel a
full 360 degree to simplify connection of LH or RH
radiator hoses to engine. Black anodized finish helps
protect against corrosion. Stainless steel hardware and an ALL30370
ALL30129 ALL30136 ALL30128 o-ring for sealing the base of the water neck to engine are included.
Part No. Description Pressure Part No. Description
*Non-Recovery Radiator Caps ALL30370 1-1/2"
ALL30134 Stant Round 18-22 PSI ALL30371 1-3/4"
ALL30135 Stant Round 21-25 PS ALL30372 -16AN
ALL30128 Stant Round 28-32 PSI ALL30373 -20AN
*Recovery System Radiator Caps
ALL30132 Stant Round 16 PSI
ALL30133 Stant Round With Lever 16 PSI BILLET WATER NECK SPACER
ALL30130 Stant Round With Lever 18-22 PSI ALL30375
ALL30137 Stant Octagon 21-25 PSI Billet aluminum spacer fits between intake manifold
ALL30131 Stant Round With Lever 21-25 PSI and water neck providing connection options for
ALL30136 Round 22-24 PSI temperature senders or additional water lines. 1" tall
ALL30129 Round 29-31 PSI spacer includes four 1/2" NPT ports with plugs and an
ALL30138 Stant Octagon 38-42 PSI O-ring seal on one side eliminating the need for a gasket.
*Small Diameter Recovery System Radiator Caps
ALL30124 Stant Round Small Dia. (32mm I.D., 16mm deep) 16 PSI
ALL30125 Stant Round Small Dia. (32mm I.D., 16mm deep) 19-21 PSI WATER OUTLET RESTRICTOR KIT
ALL30126 Stant Round Small Dia. (32mm I.D., 16mm deep) 28-32 PSI ALL30241
* Warning: High pressure radiator caps are made for use on race vehicles Control the flow of water to radiators to aid in cooling.
only. Do not use these caps on passenger vehicle cars with stock type
radiators. It is recommended to pressure test the complete cooling sys- Each kit contains (3) 2-1/8" O.D. aluminum restrictors
tem to the maximum level of pressure indicated on the cap. Failure to 5/8", 3/4" and a 1" that fit all GM V8 or V6 and SB Ford
test cooling system to the proper pressure prior to installing the cap may water outlets.
result in damage to the cooling system or bodily injury.
RADIATOR HOSE RESTRICTOR
RADIATOR FIN TOOL KIT ALL30242
ALL10680 Lower radiator hose restrictor helps keep the water in
Hand held tool straightens and your radiator longer to improve cooling. Machined 5/8" I.D.
repairs damaged fins in most aluminum restrictor will fit any 1-3/4" lower radiator hose.
radiators, coolers, and air con-
ditioning condensers. Repairing
damaged fins provides better
airflow through core increasing cooling ability. Six
interchangeable heads in 13, 15, 16, 17, 18 and 20 fins per inch. UPPER RADIATOR HOSE KIT
FOR MODIFIEDS ALL30260
POLISHED WATER NECKS Upper hose kit eliminates the concern of the upper hose collaps-
Aluminum water necks fit most Chevrolet V8’s. Two-piece ing and fits a variety of radiator widths. 1-1/2" hose kit includes a 90
design necks swivel 360 degrees to accommodate LH and RH radiator inlets. degree steel tube and two silicone hoses. Designed for use on UMP/
An O-ring seal and two chrome plated socket head cap screws are included. IMCA type modifieds.

RADIATOR HOSE I.D. REDUCER
ALL30240
ALL30170 ALL30172 Rubber reducer allows a lower radiator hose with a
Part No. ALL30171 Description molded-in spring to be used as an upper radiator hose.
ALL30170 90 Degree Neck In continuous high RPM applications, the upper hose can
ALL30173 75 Degree Neck collapse limiting coolant flow. Upper hoses with an internal
ALL30171 45 Degree Neck spring support can also collapse if the spring is drawn into the radiator tank.
ALL30172 ‡ Straight Neck Reducer fits inside 1-3/4" lower radiator hoses which have molded-in rein-
Related Components: forcement springs and reduces the I.D. from 1-3/4" to 1-1/2".
ALL99136 Replacement O-Ring
‡ One-Piece Fixed Neck
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