PAC Racing 1200 Series Valve Spring Triple Spring 689 lb/in Spring Rate 1.130" Coil Bind - 1.645" OD Ignition RPM Module Each flange is laser cut

Each flange is laser cut for the size tubing being used and features four 3/8 grade eight nuts and bolts

240" - Max

When tightened the "O" ring is compressed

This also allows you to make instant center changes for race applications

PAC Racing 1200 Series Valve Spring Triple Spring 689 lb/in Spring Rate 1.130" Coil Bind - 1.645" OD Ignition RPM Module Each flange is laser cutProduct Description: Valve Spring 1200 Series Triple Spring 689 lb in Spring Rate 1. 130 in Coil Bind 1. 645 in OD Drag Race 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