PAC Racing 1200 Series Valve Spring Single Spring/Damper 540 lb/in Spring Rate 1.115" Coil Bind - 1.260" OD 200410106 Thermal Time Constant: < 15

Thermal Time Constant: < 15 sec

The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration

Ford Car 1949-51

13" standard rotation rigid fan design

PAC Racing 1200 Series Valve Spring Single Spring/Damper 540 lb/in Spring Rate 1.115" Coil Bind - 1.260" OD 200410106 Thermal Time Constant: < 15Product Description: Valve Spring 1200 Series Single Spring Damper 540 lb in Spring Rate 1. 115 in Coil Bind 1. 260 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