EPI Primary Clutch Spring (Drive) by Kimpex Sold out $45.99 Inventory Loading... Black,Gold - Translation missing: en.products.status.sold_out Black,Gold Title Chevron down icon 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Sold out Spinner icon Largest selection of springs to tune from. Designed from the highest quality material. All EPI springs manufactured using a 5% tolerance which is the lowest in the industry. ISO 9000 Certified. Fine tune your engagement and top RPM as you like.