SKU:12-9956
Upgrade your Harley-Davidson FL engine with the S&S Cycle Cam Chest Breather Valve +.030 (Part 33-4247). Designed specifically for 1948–1957 Harley FL models, this oversize breather valve optimizes crankcase ventilation to support consistent engine breathing and smooth operation.
Installed as part of routine maintenance or a full restoration, this valve helps maintain proper engine performance and longevity for classic FL engines. Trust in S&S Cycle’s American-made engineering to keep your Harley running at peak efficiency for years to come.
S&S cam chest breather valve +.030 oversize.Upgrade your Harley Davidson FL engine with the S&S Cycle Cam Chest Breather Valve +.030, Part 33-4247. Designed specifically for 1948 to 1957 Harley Davidson FL models, this high-quality component ensures optimal engine breathing and performance. Crafted in the USA, the breather valve features a shaft diameter of 1.161 inches, providing a precise fit for your vintage motorcycle. Its durable construction helps maintain proper crankcase ventilation, preventing oil leaks and ensuring smooth engine operation. Whether you're restoring a classic or performing routine maintenance, this breather valve is a reliable choice to keep your Harley running at peak efficiency. For best results, it is recommended to use with the #12-1510 Cam Chest Breather Valve Washer Set and the #12-9909 S&S Breather Cam Chest Washer Set, which further enhance sealing and proper function. Installing this valve will help maintain optimal engine performance and longevity, making it an essential part of your Harley Davidson maintenance toolkit. Trust in S&S Cycle’s reputation for quality American-made motorcycle parts to keep your vintage Harley running smoothly for years to come.
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