PAC Racing 1300 Series Valve Spring Dual Spring 644 lb/in Spring Rate 1.150" Coil Bind - 1.550" OD 3419MB Does not include backing washers

Does not include backing washers which are not needed on SA2015 and newer helmets

Works with 4

Note: Cutting is required and should be performed by a skilled technician

The input and output shafts are gundrilled for reduced weight

These great looking high quality BBK Performance CNC Machined anodized billet aluminum Ford Mustang caster camber plates are designed to fit all 79-93 Ford Mustangs

PAC Racing 1300 Series Valve Spring Dual Spring 644 lb/in Spring Rate 1.150" Coil Bind - 1.550" OD 3419MB Does not include backing washersProduct Description: Valve Spring 1300 Series Dual Spring 644 lb in Spring Rate 1. 150 in Coil Bind 1. 550 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 at various