SKU:11-0498
Restore your vintage Harley FL Knucklehead with the Motorshop 74 Inch Rear Cylinder (4174RC), engineered to the original specifications for a precise fit and reliable compression on 1941–1947 models. These cylinders are designed for stock bore, stock stroke, and stock compression.
To ensure proper fitment, the cylinder must be honed to standard size before installation. For best results, use a ring compressor or pushrod cover clip tool during assembly. This component is suitable for Harley Davidson FL models from 1941 through 1947, and it's a solid choice for restorations, rebuilds, or maintaining period-correct performance in a Knucklehead engine.
Rear cylinder fits Knucklehead 1941-1947 74 inch models. Cylinders are for stock bore stock stroke and compression.Upgrade your vintage Harley Davidson FL with the Motorshop 74 Inch Knucklehead Rear Cylinder, part number 4174RC. Crafted with precision, these cylinders are designed to meet the original specifications for a perfect fit and optimal performance. Please note that cylinders must be honed to standard size for proper fitment; piston is not included. This ensures the engine maintains reliable compression and smooth operation. The cylinders are made in Taiwan, adhering to high-quality manufacturing standards, and are compatible with OEM cross-references 16491-41 and 7-41B, making them a suitable replacement for classic Harley models from 1941 through 1947. The bore size measures between 3.4380 inches and 3.4385 inches in inner diameter, with a wall clearance of approximately 0.0025 to 0.003 inches, ensuring a proper fit with the piston and optimal engine performance. The cylinders are without a lip on top, simplifying installation and maintenance, and are sold individually to allow flexibility for your rebuild or restoration project. These components are essential for restoring or maintaining your vintage Harley engine, providing durability and compatibility with existing parts. Proper installation and honing are critical to ensure longevity and performance, and it is recommended to use accessory items such as a ring compressor or pushrod cover clip tool for installation. Trust the Motorshop's quality and precision engineering to keep your classic Harley running smoothly. Suitable for a range of Harley Davidson models, these cylinders are an excellent choice for enthusiasts and restorers looking to preserve the authenticity and performance of their vintage motorcycle.
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