PAC Racing Valve Spring Shim - 1.250" OD - 0.570" ID - Steel - (Set of 16) Keyser Manufacturing Installation is straight-forward with CNC

Installation is straight-forward with CNC cut pieces of our Extreme Heat Barrier material

427 Cubic Inch

4 AN Male Inlet

cover fits neatly over spoiler and protects car from debris

rotates 360 degrees for ease of installation/sampling

PAC Racing Valve Spring Shim - 1.250" OD - 0.570" ID - Steel - (Set of 16) Keyser Manufacturing Installation is straight-forward with CNCProduct Description: Valve Spring Shim 0. 015 in Thick 1. 250 in OD 0. 570 in ID 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