Valve Spring Seat Cutter – 0.560 in OD Guide – 1.440 in OD Valve Seat – Steel / Carbide – Universal – Each. ABOUT AMCO AUTO PARTS. AMCO Auto Parts, LLC has been striving to supply and support most of aftermarket and oem auto parts, accesories and tools around the world with the products and service they deserve. With the economy the way it is we understand how important pricing is. Here at AMCO Auto Parts our car parts have some of the lowest prices around. With that in mind you will not lose quality. We offer auto car and truck parts from nearly 450 manufacturers. These companies are some of the most highly regarded in the automotive industry today. Our highly skilled staff is ready to answer any of your questions. Our hours of operation are Monday through Thursday 08:30am to 04:30pm and Friday from 08:30am to 4pm. Should you have any question please message us. We would like to thank our new and existing customers for their trust and support in our company. AMCO Auto Parts will continue to provide top notch customer service along with quality car parts and low pricing. Product images may not be vehicle specific. AMCO Auto Parts, LLC.