Motorshop 61 Inch Knucklehead Rear Cylinder for Harley Davidson EL (1936–1940)

The Motorshop 61 Inch Knucklehead Rear Cylinder delivers a precise fit for Harley Davidson EL Knucklehead engines in 61-inch displacement, covering the 1936–1940 models. Cast iron construction provides durability and heat resistance, and the cylinder is designed for stock bore, stock stroke, and compression with five fins for cooling efficiency.

• Material: Cast iron
• Honing requirement: Must be honed to standard size for proper piston fit
• Compatibility: Fits Harley Davidson EL 1936–1940
• Piston: Not included
• Piston-to-wall clearance: Approximately 0.0025 to 0.003 inches
• Sold: Individually
• OEM Cross Reference: 16490-36, 7-36C
• Country of Origin: Taiwan
• Accessory Items: 16-0622 Ring-O-Matic Ring Compressor Tool Kit; 16-1728 Pushrod Cover Clip Tool
• Fin count: 5 fins

Designed for classic restoration or rebuild projects where a stock-spec rear cylinder is required, this part pairs with appropriate pistons to restore original performance in 1936–1940 EL Knucklehead engines.

Rear cylinder fits Knucklehead 1936-1947 61 inch models. Cylinders are for stock bore stock stroke and compression featuring 5 fins.

The Motorshop 61 Inch Knucklehead Rear Cylinder (Part Number 35-0008) is designed to ensure a precise fit for classic Harley Davidson EL models from 1936 to 1940. Crafted with high-quality cast iron, this cylinder must be honed to the standard size for optimal performance and proper piston fit. Please note that the piston is not included with this cylinder, allowing you to select the appropriate piston for your rebuild or restoration project. All cast iron cylinders in this series share a piston-to-wall clearance of approximately 0.0025 to 0.003 inches, ensuring consistent and reliable operation. This cylinder is sold individually, giving you flexibility in your assembly or repair process.

Features:

• Material: Cast iron construction for durability and heat resistance

• Honing Requirement: Must be honed to standard size for proper fit

• Compatibility: Fits 1936-1940 Harley Davidson EL models

• OEM Cross Reference: 16490-36, 7-36C for easy identification and compatibility

• Country of Origin: Taiwan, ensuring quality manufacturing

• Accessory Items: 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, 16-1728 - Pushrod Cover Clip Tool for installation assistance

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