Comes with upper and lower spring retainers.

PAC racing valve springs began its existence with cutting edge technology in material advancements and processing advancements that have allowed our valve springs to excel in all forms of racing. From PAC proprietary alloy PACALLOY, to PAC-enhanced processing to our continued development of further materials and processing, PAC racing springs will give you the competitive edge you need in the demanding stresses of racing.

PAC racing valve springs gives an attention to detail in spring manufacturing which is highly uncommon throughout standard spring making processing. From Design, manufacturing, customer satisfaction, no detail is left un-noticed. Whether you need springs to endure motorcycle engines at 15.000 RPM, your 10.000 RPM cup engine, or springs for your racing lawn mower, PAC racing valve springs has the technical edge and experience to propel you to the finish line.

This product comes direct from Cat Cams and is made to order - Please allow 8-10 weeks for delivery