V-Twin Knucklehead Rocker Box Set 1936-37 Harley Davidson EL

Upgrade your 1936-37 Harley Davidson EL with a natural-finish Knucklehead rocker box set crafted from high-quality castings using exclusive tooling by V-Twin Manufacturing.

Key features:

• The front rocker box includes a bleeder hole drilled and tapped for cap fitting.
• Castings carry 1938-1940 type markings that can be removed or modified to match restoration authenticity.
• Machined snap ring grooves are designed to accommodate the appropriate seal kit (sold separately).
• Rocker boxes are machined to accept original retaining rings for secure installation.
• Natural finish castings with authentic Knucklehead styling.

The set is engineered to work with a range of compatible accessory items, including the Knucklehead Rocker Box Set, Natural Cast variant, and lower valve spring cup set, to support a comprehensive engine rebuild.

For optimal sealing, pair with the #49-1866 Knucklehead Rocker Box Packing Seals and the #14-0455 V-Twin Tappet Guide O-Ring. For proper assembly, also consider the #49-1793 Rocker Box Retaining Ring and the #49-1791 Rocker Box Cap with Fitting.

Note: A brass air bleeder valve must be ordered separately, and rear exhaust rocker lower tin installation requires a seal kit. Constructed in Taiwan, this set is designed for authentic compatibility with Harley Davidson EL engines of 1936 and 1937.

Knucklehead rocker box set features a natutal finish. The front rocker box has the bleeder hole drilled and tapped for cap fitting.

Upgrade your Harley Davidson EL engine with the V-Twin Knucklehead Rocker Box Set designed specifically for 1936 and 1937 models. Crafted from high-quality castings with exclusive tooling by V-Twin Manufacturing, this set features the classic 1938-1940 type markings, which can be removed or modified to match your restoration authenticity. The set is engineered with machined snap ring grooves to accommodate the appropriate seal kit, which is sold separately, ensuring a precise fit for your engine's rocker box components. The rocker boxes are machined to accept original retaining rings, making installation straightforward for experienced restorers and mechanics alike.
This set is complemented by a range of accessory items including the Knucklehead Rocker Box Set, Natural Cast variant, and lower valve spring cup set, all tailored to enhance your engine’s performance and appearance. For optimal sealing, it is recommended to use with the #49-1866 Knucklehead Rocker Box Packing Seals and the #14-0455 V-Twin Tappet Guide O-Ring. Additionally, the #49-1793 Rocker Box Retaining Ring and the #49-1791 Rocker Box Cap with Fitting are suggested for proper assembly. Please note that a brass air bleeder valve must be ordered separately, and the rear exhaust rocker lower tin installation requires a seal kit. Constructed in Taiwan, this durable set ensures longevity and reliable operation.
Whether restoring a vintage Harley or customizing your engine, this V-Twin Knucklehead Rocker Box Set offers authentic quality and compatibility for your 1936-1937 EL models, making it an essential component for any serious restoration project.

Features:

• Castings feature 1938-1940 typer markings with optional modification for authenticity

• Machined snap ring grooves designed for proper seal kit installation (sold separately)

• Rocker boxes machined to accept original retaining rings for secure fit

• Includes high-quality cast components made with exclusive tooling by V-Twin Manufacturing

• Compatible with various accessory items for comprehensive engine rebuild

Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937