PAC Racing Springs PAC-1225 1200 Series Drag Race Valve Spring Kit. Tomorrow the price will be higher! Number of Springs Per Valve: Dual. Outside Diameter of Outer Spring (in): 1.550 in.Spring Rate (lbs/in): 644 lbs. Inside Diameter of Outer Spring (in): 1.100 in. Inside Diameter of Inner Spring (in): 0.788 in. Unfortunately UPS doesn't accept PO box address. Once we see that items are on their way we will send a replacement. PAC Racing 1200 Series drag race valve springs are great for allowing you to get the most performance out of your engine.
Select them when you're upgrading camshafts or doing engine rebuilds. The 1200 series use a premium alloy that outperforms automotive industry standards; and PAC Racing processes the alloy to aerospace shot-peening standards to achieve superior fatigue dependability. This ensures that the springs maintain the load needed to perform during the most demanding times. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Valvetrain Components\Valve Guides, Springs & Parts".store" and is located in this country: US.This item can be shipped to United States.