Eastern Piston Set 3-5/16 Inch.060 Oversize for Harley UL 74ci

This piston kit is built for vintage Harley-Davidson UL engines, specifically 1937–1948 models, and uses a 3-5/16 inch bore with a.060 oversize to restore compression for the 74ci engine.

• Bore size: 3-5/16 inches with.060 oversize
• Outer piston diameter: approximately 3.335 inches
• Includes: piston set, ring set, 2 wrist pins, and 4 circlips
• Cast steel expansion control strut for enhanced durability
• Manufactured in Taiwan to precise standards
• Compatible with Harley-Davidson UL models 1937–1948
• Part number: E-834-060

Installation requires proper machining and assembly, but the included parts and engineering make it straightforward for experienced mechanics and enthusiasts alike.

To complement this set, accessory items such as Gasgacinch Gasket Sealer and Gasoila Red Varnish Sealant are available as options. Eastern’s piston kit is designed to meet the original specifications and performance standards to ensure your motorcycle will run smoothly for years to come.

Piston set 3-5/16 inch bore is.060 oversize. Set includes ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. For 74 inch engine

The Eastern 3-5/16 inch piston set with.060 oversize is designed specifically for vintage Harley Davidson UL models from 1937 to 1946. This high-quality piston kit features a cast steel expansion control strut for enhanced durability and reliable performance. The set includes everything needed for a comprehensive rebuild, such as ring sets, two wrist pins, and four circlips, making it an ideal choice for restoring or maintaining your classic motorcycle. Crafted in Taiwan, this piston set ensures precise manufacturing standards for optimal fit and function in your engine rebuild.
Each piston in the set has an outer diameter of approximately 3.335 inches, tailored to accommodate the.060 oversize bore. This oversized bore provides increased compression and power while maintaining compatibility with the original engine specifications. The kit’s components are engineered to withstand the pressures and temperatures typical of vintage Harley Davidson UL engines, ensuring longevity and consistent performance.
Installation of this piston set requires proper machining and assembly, but the included parts and detailed engineering make it straightforward for experienced mechanics and enthusiasts alike. Whether you're restoring a classic motorcycle or performing a rebuild, this piston set offers the quality and precision necessary for a successful project. To complement this set, consider using compatible gasket sealants like Gasgacinch Gasket Sealer and Gasoila Red Varnish Sealant, which are available as accessory items.
Trust Eastern's reputation for reliable engine components to bring your vintage Harley Davidson UL back to life with this durable and precise piston kit. Designed to meet the original specifications and performance standards, this set ensures your motorcycle will run smoothly for years to come.

Features:

• Includes piston set, ring set, 2 wrist pins, and 4 circlips for complete assembly

• Cast steel expansion control strut for enhanced durability

• Oversized bore of 3-5/16 inches with.060 increase for improved performance

• Precision manufactured in Taiwan for consistent quality

• Compatible with Harley Davidson UL models from 1937 to 1946

• Outer diameter of pistons approximately 3.335 inches

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