SKU:11-2201
Keith Black KB263.005 oversize piston set for Harley Davidson FL models from 1941 to 1950. The pistons are Keith Black 390 hypereutectic,.005 oversize, designed for a 3.438 inch bore with a 9.0:1 compression ratio.
Crafted in Mexico, this piston set restores performance and reliability to vintage Harley models. It includes all necessary components for installation, plus a Ring-O-Matic Ring Compressor Tool Kit (16-0622) and a 16-0029 Connecting Rod Clamping Tool to aid precise assembly and proper ring and rod fitment.
To maximize longevity, break-in guidance is included: run the engine at moderate speeds for at least 500 miles and follow the detailed online installation instructions for best results.
Compatible specifically with Harley Davidson FL models produced from 1941 through 1950, making it an ideal choice for restoration or authentic-performance upgrades on your vintage motorcycle.
Keith Black 390 hypereutectic piston set is.005 oversize and is for 3.438 inch bore. Pistons have a compression of 9.0:1.Upgrade your vintage Harley Davidson with the Keith Black KB263.005 74 inch FLH-FX piston set. Crafted in Mexico, these pistons are designed to restore performance and reliability to Harley models from 1941 to 1950. The set includes all necessary components for a comprehensive installation, ensuring a seamless rebuild of your classic motorcycle's engine.
Each piston is engineered with precision to deliver optimal fit and function. The.005 oversize specification allows for proper bore clearance and improved engine performance. To ensure proper break-in, it is recommended to run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears. Following the detailed installation instructions available online helps achieve the best results.
This piston set is compatible with Harley Davidson FL models from 1941 through 1950, making it an ideal choice for restoring or enhancing vintage motorcycles. The set includes accessory items such as a Ring-O-Matic ring compressor tool kit and a connecting rod clamping tool, which facilitate installation and ensure precise assembly. The included tools help prevent damage during installation and promote correct piston ring and connecting rod fitment, leading to a longer-lasting engine.
Designed for durability and performance, the Keith Black pistons are a reliable solution for enthusiasts and restorers seeking quality components to maintain the authentic look and feel of their vintage Harley Davidson. Proper installation and break-in are critical for maximizing the lifespan and performance of these pistons, ensuring your motorcycle remains a reliable ride for years to come.
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