Product Review

Racing Radiator Cap, 31-33 Lb Fits Standard-size radiator filler necks, including Moroso Nos. 63420, 63465, 63466, 63467, 63485, 63486, 63650, 63651, 63656, 63730, 63740, and 63745 Description Available with low and high pressure raitings to accommodate the needs of all cooling systems Steel spring maintains accurate pressure setting over time Six-sided Cap for easy tightening