Hastings Rings 5193-040 74 Inch FL Piston Ring Set

Hastings cast piston ring set for a 3-7/16 inch bore and.040 oversize, designed for a Harley Davidson FL engine. Sold for two pistons, making it ideal for complete engine rebuilds or targeted repairs.

The set includes compression rings and oil control rings engineered for reliable sealing and oil regulation. Compression rings measure 3/32 inch, while the oil rings are 3/16 inch, providing precise fit and consistent performance on vintage Harley builds.

Designed specifically for 1941-1950 Harley FL models, with fitment listed for Harley Davidson FL models from 1941 to 1953.

Made in the USA with high-quality materials for durability and long-term reliability. The packaging includes all necessary rings for two pistons and is designed for ease of installation when used with compatible accessory tools.

Use cases include restoring a classic Harley FL, performing a comprehensive engine rebuild, or routine maintenance to restore power, efficiency, and control oil consumption.

• Bore: 3-7/16 in
• Oversize:.040
• Compression rings: 3/32 in
• Oil rings: 3/16 in
• Piston count: 2
• Fitment: Harley Davidson FL (1941–1953)
• Origin: Made in the USA

Hastings cast piston ring set is for a 3-7/16 inch bore and is.040 oversize.

Upgrade your Harley Davidson FL engine with the Hastings Rings 5193-040 piston ring set, designed specifically for 1941-1950 models. This set includes precision-engineered compression rings and oil control rings that ensure optimal sealing and oil regulation for reliable performance. Each compression ring measures 3/32 inch, while the oil rings are 3/16 inch, providing a perfect fit for your vintage Harley engine. Crafted in the USA, these rings are built to meet high standards of quality and durability, helping restore your motorcycle’s power and efficiency. The set is sold for two pistons, making it ideal for complete engine rebuilds or repairs. Proper ring installation is crucial for maintaining compression, reducing blow-by, and preventing oil consumption, and these Hastings rings are designed for ease of installation with compatible accessory tools.

Whether you're restoring a classic Harley or performing routine engine maintenance, this piston ring set offers dependable performance and longevity. The packaging includes all necessary rings to ensure a proper fit, backed by Hastings' reputation for quality engine components. Keep your engine running smooth and efficient with these high-quality piston rings that match your bike’s specifications and deliver consistent performance over time.

Features:

• Compression Rings: 3/32 inch for effective sealing and compression retention

• Oil Rings: 3/16 inch for efficient oil control and lubrication

• Sold in sets for 2 pistons, ideal for complete engine rebuilds

• Made in the USA with high-quality materials for durability and reliability

• Designed to fit Harley Davidson FL models from 1941 to 1950

Fitment:
Harley Davidson FL 1941
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
Harley Davidson FL 1948
Harley Davidson FL 1949
Harley Davidson FL 1950
Harley Davidson FL 1951
Harley Davidson FL 1952
Harley Davidson FL 1953