Motortechnic 74 Inch Engine Case Set for Harley Knucklehead – Natural Finish

Upgrade or restore Harley-Davidson Knucklehead engines from 1941 to 1947 with this Motortechnic 74 Inch Engine Case Set, crafted in Germany in a natural cast finish with a blank number boss for authentic period detailing and reliable rebuilds.

• Fits Harley Davidson FL, 1941–1947 Knucklehead 74 inch engines.
• Does not include pinion and sprocket shaft races.
• Stamped numeral 7 inch on the rear motor mount halves to identify 74 cubic inch capacity.
• .024 inch thick thrust rings behind each main race for improved sealing and durability.
• Precise measurements for proper fitment of crankcase main races, from the inside seat surface to the outside surface toward the flywheel thrust washer.
• Designed as a high-quality replacement for original cases, maintaining authentic detail and precision.
• Recommended to be used with Sprocket Left Side Case Race part 10-0208.
• Includes accessory items: Sprocket Shaft Spacer (SKU 10-0948), Knucklehead Engine Case Set (SKU 10-0980).
• Bill of Sale available upon request; cases are blank and provide proper documentation for repairs.

Made in Germany by Motortechnic, these cases are crafted to match original specifications for a dependable rebuild or restoration project. Whether restoring a vintage Harley or building a period-correct custom, this 74 inch engine case set delivers authentic fitment, durability, and the provenance needed for a credible, lasting engine rebuild.

74 inch motor case for knucklehead motors accurately cast and machined. Features a natural cast finish and a blank number boss. Manufacturer's Bill of Sale available upon request.

This Motortechnic 74 Inch Engine Case Set is designed as a high-quality replacement for the original cases on Harley Davidson Knucklehead models from 1941 to 1947. Crafted in Germany, these cases feature the authentic detail and precision required for a reliable rebuild or restoration project. The set does not include pinion and sprocket shaft races, allowing you to customize with your preferred components. A Bill of Sale will be issued for these blank cases, ensuring proper documentation for your repair needs. The cases are stamped with a numeral 7 inch on the rear motor mount halves, denoting the 74 cubic inch engine capacity, which is essential for accurate identification and compatibility. The set's design incorporates a careful fit for the main crankcase races, with measurements taken from the inside seat surface to the outside surface towards the flywheel thrust washer, ensuring proper seating and performance. The left and right races have been removed and replaced with a.024 inch thick thrust ring behind each race, providing improved sealing and wear resistance for extended engine life. This modification has been tested to work effectively, making it an excellent choice for enthusiasts and restorers seeking authenticity and durability. For optimal assembly, it is recommended to use this case set with the suggested sprocket side case race, part number 10-0208. The set also includes accessory items such as a sprocket shaft spacer and a complete engine case set, facilitating a comprehensive rebuild process. Each case is built to meet the original specifications, ensuring proper fitment and performance in vintage Harley Davidson engines. Whether restoring a classic Harley or building a custom vintage bike, this case set provides the quality, authenticity, and precision craftsmanship required for a successful project.

Features:

• Made in Germany by Motortechnic with original detail in casing

• Designed for Harley Davidson Knucklehead 74 inch engines from 1941-1947

• Does not include pinion and sprocket shaft races

• Stamped numeral 7 inch on rear motor mount halves for engine capacity identification

• Includes a.024 inch thick thrust ring behind each main race for enhanced durability

• Precise measurements for proper fitment of crankcase main races

• Recommended to be used with Sprocket Left Side Case Race part 10-0208

• Includes accessory items: Sprocket Shaft Spacer (SKU 10-0948), Knucklehead Engine Case Set (SKU 10-0980)

Fitment:
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