PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel 11000503 125 in Length

125 in Length

On 8L90E Transmissions the Front Port is the Outlet & the Rear Port is the Return

The unique air filter to housing interface (patent pending) allows for maximum filter size which increases the available air volume while simplifying the installation process

312 in Height

Lap and sub belt openings have rubber grommets to eliminate belt wear

PAC Racing Valve Spring Shim Kit - 1.250" OD - 0.575" ID - Steel 11000503 125 in LengthProduct 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.