For use with cams up to 0.400 lift, if you require springs for different cams please check my other listings for other options. Brand new in box complete valve spring kit as shown in the picture (made in the USA). Famous APE valve springs are made from premium chrome silicone wire for consistent pressure and excellent fatigue life. Racers as well as street riders have come to depend on APE springs for winning performance.For use with any high-lift cam and/or aggressive camshaft profile. These springs will fit all the Suzuki models listed below.. Please check out our other listings for more motorcycle parts. The item "Suzuki gs1100 gs1150 gs750 APE HIGH PERFORMANCE VALVE SPRINGS up to 0.400 lift" is in sale since Wednesday, November 29, 2017. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "retro-motorcycles" and is located in Seattle, Washington. This item can be shipped worldwide.