CATEGORIES HOME Valve Spring, DUCAR 212 Item Number: 212-1055 Price: $2.70 Add to Cart Description OEM Valve Spring for the DUCAR 212. This spring works for both intake and exhaust with an installed pressure of 16-18 lbs. Accessories Intake Valve, Ducar 212 Exhaust Valve, Ducar 212 Valve Lock, Ducar 212 Valve Spring Retainer, Ducar 212