Eastern H-4275-020 Cast Piston Ring Set for 3-7/16 Bore,.020 Over

Replace worn rings with a precision-engineered set built for a 3-7/16 inch bore and an exact.020 over size, designed specifically for vintage Harley-Davidson ULH engines.

• Bore: 3-7/16 inch
• Oversize:.020
• Compression rings: 1/16 inch thickness
• Oil rings: 5/32 inch thickness
• Kit includes two pistons with one-piece oil rings
• Country of origin: Japan
• Product type: Side Valve
• Fitment: Harley Davidson ULH models 1937–1948
• Precision-engineered to meet OEM specifications

Made in Japan, this piston ring set is designed for easy installation and reliable performance in classic motorcycle restorations and rebuilds. It supports restoring engine compression and oil control while maintaining the authentic look and behavior of your ULH engine during maintenance or full engine work.

Cast piston ring set is for a 3-7/16 inch bore and is.020 over size. Features compression rings with a size of 1/16 inch and oil rings with a size of 5/32 inch. Set is for 2 pistons with a one piece oil ring.

Upgrade your vintage Harley Davidson ULH engine with the Eastern H-4275-020 cast piston ring set designed specifically for 3-7/16 inch bore cylinders. This kit features high-quality components crafted in Japan, ensuring durability and reliable performance for classic motorcycle restorations and rebuilds. The set includes compression rings with a 1/16 inch thickness and oil rings with a 5/32 inch thickness, providing optimal sealing and oil control. Suitable for use with two pistons, each equipped with a one-piece oil ring, this set ensures proper fit and function in your engine rebuild process. The piston rings are precision-engineered to meet OEM specifications, helping restore engine compression and efficiency while maintaining the vintage integrity of your Harley Davidson ULH.

Designed for ease of installation, this piston ring kit is an essential component for restoring or maintaining the performance of your classic motorcycle engine. Made in Japan, it guarantees quality and consistent performance, making it a reliable choice for professional mechanics and DIY enthusiasts alike. Whether you're performing a full engine rebuild or replacing worn rings, this set provides the perfect combination of durability and compatibility for Harley Davidson ULH models from 1937 to 1946, ensuring your motorcycle runs smoothly and efficiently for years to come.

Features:

• Piston Ring Set: For 3-7/16 inch bore with.020 over size

• Compression Rings: 1/16 inch thickness for optimal sealing

• Oil Rings: 5/32 inch thickness for effective oil control

• Compatibility: Fits Harley Davidson ULH models from 1937 to 1946

• Country of Origin: Japan ensures high-quality manufacturing

• Kit includes two pistons with one-piece oil rings

Fitment:
Harley Davidson ULH 1937
Harley Davidson ULH 1938
Harley Davidson ULH 1939
Harley Davidson ULH 1940
Harley Davidson ULH 1941
Harley Davidson ULH 1942
Harley Davidson ULH 1943
Harley Davidson ULH 1944
Harley Davidson ULH 1945
Harley Davidson ULH 1946
Harley Davidson ULH 1947
Harley Davidson ULH 1948