28 LB (psi) HIGH PRESSURE RACE CAP 

REGULAR STYLE CAP FOR 3/4" DEEP FILL NECKS

ENGINEERED BY NORTHERN STRICTLY FOR HIGH PRESSURE COOLING SYSTEMS.

WE CALIBRATE OUR CAP SPRINGS TO OPEN AT THE EXACT PRESSURE STATED, PREVENTING YOUR EXPENSIVE RACE ENGINE FROM OVERHEATING

*MEASUREMENTS ARE FOR REFERENCE ONLY AND MAY VARY SLIGHTLY WITH APPLICATION

*MATCHING EXISTING PSI IS CRITICAL IN SELECTING YOUR RADIATOR CAP

FOR 20 LB (psi) CAP SEE Z19200

FOR 24 LB (psi) CAP SEE Z19201