Motorshop 61Ci OHV Piston Set.030 Oversize for Harley EL

Increase compression and restore performance on Harley-Davidson EL motorcycles from 1936–1940 with the Motorshop 61Ci OHV Piston Set (.030 oversize, 3-5/16 inch bore).

• Piston size: 3-5/16 inch diameter with.030 oversize
• Compression ratio: 7.0:1
• Material: forged construction with a steel expansion control strut
• Includes: piston ring set, 2 wrist pins, 4 circlips
• Country of origin: Taiwan
• Compatible models: Harley Davidson EL (1936–1940)
• Accessory tools included: Ring-O-Matic Ring Compressor Tool Kit (16-0622), Connecting Rod Clamping Tool (16-0029), 60-0167 Additional Accessories

Installation notes: proper break-in procedures are essential—operate the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to allow new pistons and rings to seat correctly.

For optimal results, consider pairing this piston set with the 61 inch Piston Ring Set.030 Oversize, Piston Wrist Pin Locks, and the Piston Wrist Pin and Lock Kit to complement the installation.

Motorshop delivers components that meet or exceed OEM specifications, designed for durability under high RPMs and demanding riding conditions, making this piston set a suitable restoration or performance upgrade for vintage Harleys.

Piston set with 3-5/16 inch bore has a 7.0:1 compression ratio and is.030 oversize. Set includes a piston ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast.

Upgrade your vintage Harley Davidson EL engine with the Motorshop 61 Inch Overhead Valve Piston Set, designed for precise fitment and reliable performance. Crafted in Taiwan, this piston kit includes all necessary components to restore or enhance your motorcycle's engine. The set features pistons with a 3-5/16 inch diameter and a.030 oversize to provide optimal compression and power output. The pistons are engineered to withstand high RPMs and demanding riding conditions, ensuring durability and longevity. Proper break-in procedures are essential; operate the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to allow the new pistons and rings to seat correctly. This process helps prevent premature wear and ensures maximum performance from your engine. The kit is compatible with Harley Davidson EL models from 1936 to 1940, making it an excellent choice for restoration projects or performance upgrades. Included accessories such as the Ring-O-Matic Ring Compressor Tool Kit and Connecting Rod Clamping Tool facilitate installation, providing a seamless repair experience. For optimal results, consider pairing this piston set with suggested items like the 61 inch Piston Ring Set.030 Oversize, Piston Wrist Pin Locks, and the Piston Wrist Pin and Lock Kit, all designed to complement the pistons and ensure proper assembly. Trust the Motorshop brand for quality components that meet or exceed OEM specifications, backed by years of expertise in motorcycle engine parts. Whether restoring a vintage Harley or upgrading your existing engine, this piston set offers the perfect combination of performance, durability, and ease of installation.

Features:

• Engine Compatibility: Fits Harley Davidson EL models from 1936 to 1940

• Piston Size: 3-5/16 inch diameter with.030 oversize for increased compression

• Material: High-quality forged construction for durability and performance

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

• Country of Origin: Taiwan, ensuring quality manufacturing standards

• Accessory Items: 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, 16-0029 - Connecting Rod Clamping Tool, 60-0167 - Additional Accessories

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