PAC Racing Valve Spring Shim - 1.250" OD - 0.570" ID - Steel - (Set of 16) Keyser Manufacturing 4 AN Male Inlet

4 AN Male Inlet

rotates 360 degrees for ease of installation/sampling

427 Cubic Inch

3/8-18 Female to 12 mm x 1

PAC Racing Valve Spring Shim - 1.250" OD - 0.570" ID - Steel - (Set of 16) Keyser Manufacturing 4 AN Male InletProduct 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