PAC Racing 1200 Series Valve Spring Single Spring/Damper 450 lb/in Spring Rate 1.100" Coil Bind - 1.244" OD Battery Box Heavy Duty design utilized thicker

Heavy Duty design utilized thicker than stock steel plate enabling to withstand the stress of high-stall converters and high-RPM engines

Heavy Duty 3/16" Steel Construction

Maximum full-time airflow

PTFE lined hose is inert so it will perform with any type of liquid

10 AN O-Ring Return

PAC Racing 1200 Series Valve Spring Single Spring/Damper 450 lb/in Spring Rate 1.100" Coil Bind - 1.244" OD Battery Box Heavy Duty design utilized thickerProduct Description: Valve Spring 1200 Series Single Spring Damper 450 lb in Spring Rate 1. 100 in Coil Bind 1. 244 in OD Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services