Upgrade your countershaft (output shaft) sealing with the PROX Countershaft Seal Kit—built to outperform OEM parts and help stop oil leaks around the front sprocket area.
Complete kit components are matched for a secure, long-lasting repair.
Fix annoying countershaft oil leaks and restore dependable sealing with the PROX Countershaft Seal Kit. Designed as an upgrade over OEM components, this kit is ideal when you’re servicing the front sprocket area, replacing a worn seal, or refreshing parts that see constant abrasion from dirt and chain debris.
By combining an upgraded seal with a hardened bushing, the kit helps improve durability at a high-wear point—supporting a tighter, more reliable seal and reducing the chance of repeat leaks.