CVP performance slide spring for Harley CV carburetors and Keihin CVK40. Special tension design provides improved throttle response while eliminating "slide bounce" encountered with cut or shortened race model springs. American made from stainless steel and available for the following CV carburetor models:
1989-2006 Big Twin and Twin Cam
1988-2006 Sportster 883-1200 models
1987-2018 KLR650 using Keihin CVK40
Improves performance and throttle response without the need to drill the original slide.