Motorshop Piston Set 3-5/16 in..040 Oversize for Harley Davidson EL (1936–1940)

Replace worn pistons with a precise, model-specific rebuild component designed for Harley Davidson EL engines from 1936 through 1940. The set features a 3-5/16 inch bore with.040 oversize, enabling accurate restoration for engines requiring a larger-than-stock cylinder diameter.

• Includes Hastings 3-piece rings, 2 wrist pins, and 4 circlips
• Pistons incorporate a steel expansion control strut cast into the body
• Manufactured in Taiwan for consistent fit and durability
• Includes piston wrist pin locks for secure assembly
• Compatible with the 61-inch overhead valve piston ring set in.040 oversize
• Recommended installation accessories: Ring-O-Matic Ring Compressor Kit and the Connecting Rod Clamping Tool

Engine compatibility: Harley Davidson EL 1936–1940. This kit provides a complete solution for engine rebuilds or restorations requiring a.040 oversize piston set.

Break-in guidance: Run the engine at moderate speeds for at least 500 miles, avoiding excessive idling or low-gear operation to promote proper seating of pistons and rings.

For detailed instructions, refer to the provided link: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf

Piston set with 3-5/16 inch bore is.040 oversize. Set includes Hasting 3 piece rings 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast.

The Motorshop 3-5/16 inch Piston Set with.040 oversize is a high-quality replacement component designed specifically for Harley Davidson EL models from 1936 to 1940. Crafted in Taiwan, this piston kit ensures precise fitment and durability to support your engine rebuild or restoration project. The set includes pistons, rings, and necessary hardware, providing a comprehensive solution for maintaining engine performance. Proper installation and break-in procedures are essential; run the engine at moderate speeds for at least 500 miles, avoiding excessive idling or running in low gears to ensure optimal piston and ring seating. For detailed instructions, refer to the provided link: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf. This piston set is compatible with the 61-inch overhead valve piston ring set in.040 oversize, and it includes piston wrist pin locks for secure assembly. To facilitate installation, consider accessory tools like the Ring-O-Matic Ring Compressor Kit and the Connecting Rod Clamping Tool, which are recommended for achieving a professional-quality fit and finish. Designed for enthusiasts and professional mechanics alike, this piston set offers reliable performance and long-lasting durability for your vintage Harley Davidson engine rebuilds.

Features:

• Engine Compatibility: Fits 1936-1940 Harley Davidson EL models

• Size and Oversize: 3-5/16 inch pistons with.040 oversize rings for enhanced performance

• Material: High-quality components manufactured in Taiwan for durability and precision

• Included Hardware: Piston wrist pin locks for secure assembly

• Recommended Break-in: Run engine at moderate speeds for at least 500 miles, avoiding excessive low gear operation

• Instructions: Detailed installation guide available online

Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940