Eastern 3-5/16 Inch Piston Set.020 Oversize for Harley UL

3-5/16 inch bore with.020 inch oversize piston set tailored for 74-inch Harley UL engines delivers precise fit and reliable compression for vintage restorations.

Fits Harley‑Davidson UL models from 1937 through 1948, designed specifically for the 74‑inch UL engine. The kit includes a complete ring set, two wrist pins, and four circlips for a full install.

• Piston bore: 3-5/16 inch with.020 inch oversize
• Includes ring set, 2 wrist pins, and 4 circlips
• Steel expansion control strut cast into pistons for added durability
• Made in the USA
• Part number E-834-020

Gasgacinch Gasket Sealer and Gasoila Red Varnish Sealant are included with your order to help ensure a tight, leak‑free fit and extend engine component life.

Piston set 3-5/16 inch bore is.020 oversize. Set includes ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74 inch engine

Upgrade your vintage Harley Davidson UL engine with the Eastern 3-5/16 inch piston set, designed specifically for models from 1937 to 1946. This precision-engineered kit features pistons with a 3-5/16 inch bore and an oversize of.020 inches, ensuring optimal fit and performance. The set includes a complete ring set, two wrist pins, and four circlips, providing all necessary components for a seamless installation. Each piston is cast with a steel expansion control strut, enhancing durability and stability under engine stress. Crafted in the USA, this piston set offers quality and reliability for restoring or maintaining your classic motorcycle.

The pistons are designed to fit a 74-inch engine, making them suitable for a wide range of Harley UL models. The kit's comprehensive nature simplifies the rebuild process, allowing you to replace worn parts efficiently and restore engine performance. With precise manufacturing standards, this piston set ensures proper compression, reliable operation, and longevity. Whether you're performing a full engine rebuild or replacing worn components, this set provides the essential parts needed for a high-quality repair.

For optimal results, consider pairing this piston set with accessory items such as Gasgacinch Gasket Sealer and Gasoila Red Varnish Sealant, both included in your order. These sealants help ensure a tight, leak-free fit, extending the lifespan of your engine components. Trust Eastern's expertise in vintage motorcycle parts and enjoy peace of mind with this American-made piston kit, engineered to meet the demands of classic Harley Davidson engines.

Features:

• Piston bore: 3-5/16 inch with.020 inch oversize

• Includes ring set, 2 wrist pins, and 4 circlips

• Steel expansion control strut cast into pistons

• Designed specifically for 74-inch Harley UL engines

• Made in USA for quality assurance

• Fits Harley Davidson UL models from 1937 to 1946

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