PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel H764C34XXL Ford: E-100 Econoline 78 -

Ford: E-100 Econoline 78 - 78 7

484 ShaftThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

The ZK-40 was designed for use in races where a CIK-FIA approval was not required

The front pockets lay

Chevrolet: Cheyenne 07 - 14 5

PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel H764C34XXL Ford: E-100 Econoline 78 -Product 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.