SKU:11-0322
The Motorshop 74 Inch Overhead Valve Piston Set delivers a precise rebuild for classic Harley-Davidson FL engines, featuring a 74 ci displacement, a 10:1 compression ratio, and a bore sized at 3-7/16 inches (3.4375 in) with a precise tolerance of 3.438 to 3.4385 inches. Designed specifically for Harley FL models from 1941 to 1950, this kit is built to restore original performance while maintaining authentic engine characteristics. It is made in Taiwan, reflecting careful manufacturing standards.
What’s included and how it helps:
The kit is an ideal upgrade for restoration projects or performance enhancements on vintage Harley FL engines, offering a complete piston kit with precise machining for a smooth rebuild. Detailed installation instructions are available at this link. This set is a reliable choice for enthusiasts aiming to restore authenticity and durability to their classic Harley.
Piston set 3-7/16 inch bore standard size has a compression ratio of 10:1. Set includes Hasting 3 piece rings 2 wrist pins and 4 circlips.The Motorshop 74 Inch Overhead Valve Piston Set is designed specifically for vintage Harley Davidson FL models from 1941 to 1950. Crafted with precision, this piston kit features a bore size ranging from 3.438 to 3.4385 inches, ensuring a perfect fit for your classic motorcycle's engine. Proper installation and break-in are critical; it is recommended to run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to ensure the longevity of the new pistons and rings. Detailed instructions are available at this link for a smooth installation process. The set includes all necessary components for a comprehensive rebuild or upgrade, providing reliable performance and durability for your vintage Harley Davidson.
Constructed in Taiwan, this piston kit guarantees quality and precision manufacturing. Compatibility extends across multiple years of Harley Davidson FL models, making it an excellent choice for restorations or performance upgrades. The kit includes pistons, rings, wrist pins, and locks, with suggested accessories like the 11-0176 - 74 inch FLH Piston Ring Set Standard, 11-0870 - Piston Wrist Pin and Lock Kit, and 12-0929 - Piston Wrist Pin Lock, to facilitate a complete assembly. For installation, additional accessory tools such as the Ring-O-Matic Ring Compressor Tool Kit (SKU 16-0622) and Connecting Rod Clamping Tool (SKU 16-0029) are recommended to ensure proper fitting and alignment. This piston set is an essential upgrade for enthusiasts seeking to restore or enhance the performance of classic Harley Davidson FL engines.
Features:
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