PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel RS003C0113 Laser Engraved Holley Logo And

Laser Engraved Holley Logo And Inlet/Outlet Markings

Magnetic Drain Plugs collect steel particles

The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response

Sizes from 132-200

PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel RS003C0113 Laser Engraved Holley Logo AndProduct 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.