PAC Racing Valve Spring Shim - 0.050" Thick - 1.250" OD - Steel (Set of 16) Helmet Rack You can also set an

You can also set an rpm limit that will protect your engine from over-rev damage caused by a missed shift or driveline failure

This kit allows you to custom fabricate your own steel cross shaft a-frame with all the benefits of the Howe precision package

7/16-14 in and 1/2-13 in Male Thread

For Use with Aluminum Rocker Arms

PAC Racing Valve Spring Shim - 0.050" Thick - 1.250" OD - Steel (Set of 16) Helmet Rack You can also set anProduct Description: Valve Spring Shim 0. 050 in Thick 1. 250 in OD Steel 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 racing events. We believe these