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Spinlok Standard SAE "A" Size Cups


Spinlok Design Caps Fit the Standard SAE “A” Size (2 1/8" OD, 3/4" Deep) Filler Neck

Spinlok Standard SAE A Size CapsCaps include both lower and upper gaskets for use on open or closed cooling systems.

31558 (18-22 pounds), 31559 (21-25 pounds),
31560 (28-32 pounds)

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