1200 Series Drag Race Valve Spring - 1.550" Dual Dampered - 0.800" Lift (Set of 16). Brandname: PAC Racing Springs Part Number: PAC-1226-16 Description.All valve springs are manufactured in the USA at our Southfield Michigan Facility. Outer Spring ID: 1.100. Inner Spring ID: 0.706. Load at Installed Height: 275. Spring Open Height: 1.200. Recommended Valve Lift: 0.800. Coil Bind (max): 1.150. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. The item "PAC Racing Springs PAC-1226-16 1200 Series Drag Race Valve Spring Set of 16 NEW" is in sale since Wednesday, March 31, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Valvetrain Components\Valve Guides, Springs & Parts". The seller is "wundercarparts" and is located in United States. This item can be shipped to United States.