V-Twin 18mm Spark Plug Set for Harley EL 1936-1945
Exact replica of the original 18mm air-cooled spark plugs used in Harley-Davidson EL models from 1936 to 1945, designed for authentic restoration and reliable ignition in vintage engines. The set features a heat range #3 and a 1-1/8 inch hex shape with 18mm thread to match the original hardware.
The V-Twin Replica 18mm Spark Plug Set includes brass terminal nuts and seal washers for secure installation and durable electrical connection. A removable terminal nut supports easy maintenance on early-style terminals or hood setups.
Proper gap setting at.025 inch is critical for optimal ignition performance, and these plugs are designed to be set with a round feeler gauge. Manufactured in Taiwan to meet vintage restoration standards.
Features
- Exact replica of 1937 Harley-Davidson air-cooled 18mm spark plugs
- Removable terminal nut for easy maintenance
- Brass terminal nuts and seal washers included for secure installation
- 1-1/8 inch hex, 18mm thread, heat range #3
- Includes components necessary for proper installation; requires round feeler gauge for gap at.025 inch
- Manufactured in Taiwan
Fitment
- Harley Davidson EL 1936
- Harley Davidson EL 1937
- Harley Davidson EL 1938
- Harley Davidson EL 1939
- Harley Davidson EL 1940
- Harley Davidson EL 1941
- Harley Davidson EL 1942
- Harley Davidson EL 1943
- Harley Davidson EL 1944
- Harley Davidson EL 1945
- Harley Davidson EL 1946
- Harley Davidson EL 1947
- Harley Davidson FL 1941
- Harley Davidson FL 1942
- Harley Davidson FL 1943
- Harley Davidson FL 1944
- Harley Davidson FL 1945
- Harley Davidson FL 1946
- Harley Davidson FL 1947
- 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
These spark plugs are for the antique motorcycle enthusiast who enjoy riding. Spark plugs are air cooled with a heat range #3. Includes the brass top nuts which are used with earlier style terminals or hood style and sealing gaskets.
The V-Twin Replica 18mm Spark Plug Set offers an authentic restoration component for vintage Harley Davidson EL models from 1936 to 1945. These spark plugs are exact replicas of the original 18mm air-cooled plugs used in 1937, featuring a classic 1-1/8 inch hex shape and brass terminal nuts for reliable electrical connection. The set includes components necessary for proper installation, such as seal washers, ensuring a secure fit and optimal engine performance. Designed to match the original specifications, these plugs have a heat range of #3, suitable for the engine configurations of the era, and require a round feeler gauge for setting the gap accurately. The plugs are manufactured in Taiwan with quality craftsmanship to meet vintage restoration standards. This set is ideal for enthusiasts seeking an authentic look and performance for their vintage Harley Davidson restoration projects. Proper gap setting at.025 inch is critical for optimal ignition performance, and these plugs are designed to provide consistent spark delivery in air-cooled engines. Whether you're restoring a classic Harley or maintaining an original vintage engine, this spark plug set ensures a reliable and period-correct fit that preserves the authenticity of your motorcycle. Incorporate these plugs into your project for a seamless blend of historical accuracy and dependable operation, making your vintage Harley Davidson run smoothly and look authentic.
Features:
- Exact replica of 1937 Harley Davidson air-cooled 18mm spark plugs
- Removable terminal nut for easy maintenance
- Brass terminal nuts and seal washers included for secure installation
- Designed with a 1-1/8 inch hex shape and 18mm thread for authentic fit
- Heat range #3 suitable for vintage Harley Davidson engines
- Manufactured in Taiwan to meet quality standards
- Requires round feeler gauge to set the gap at.025 inch
Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940
Harley Davidson EL 1941
Harley Davidson EL 1942
Harley Davidson EL 1943
Harley Davidson EL 1944
Harley Davidson EL 1945
Harley Davidson EL 1946
Harley Davidson EL 1947
Harley Davidson FL 1941
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
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
