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The racing radiator caps are specialty parts for use on high performance cooling systems. Caps are available in 18 to 22, 21 to 25 and 28 to 32 pound ranges.  Caps are available for mini (32mm ID, 16 mm deep), and standard SAE “A” size (2 1/8" OD, 3/4" deep) filler necks.

Mini Filler Deck Cap

Mini Filler Deck Caps

Caps fit the mini (32mm ID, 16 mm deep) filler neck.

Standard SAE Size Caps

Standard SAE "A" Size Caps

Caps fit a standard SAE “A” size (2 1/8" OD, 3/4" deep) filler neck.

Safti Vent Racing Radiator Caps

Safti-Vent™ Racing Radiator Caps

Safti-Vent™ style performance radiator caps fit the standard SAE “A” size (2 1/8" OD, 3/4" deep) filler neck.

Spinlok Standard SAE A Caps

Spinlok Standard SAE A Size Cups

Spinlok design caps fit the standard SAE “A” size (2 1/8" OD, 3/4" deep) filler neck.

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