PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel H764C34XXL With increased tongue weight capacity

With increased tongue weight capacity and integration of Hitch Match™

Uses The Factory Hanger Locations For An Easy Installation

2005-2016 Ford F-350 Super Duty

All BBK fuel rail kits are designed and built in house from lightweight billet aluminum that is CNC machined for unequaled fit and finish for popular late model 96-98 Ford Mustang 4

PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel H764C34XXL With increased tongue weight capacityProduct Description: Valve Spring Shim 0. 015 0. 020 0. 030 0. 050 in Thick 1. 250 in OD 0. 570 in ID Steel 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 racing events.