SKU:10-0980

Motorshop Knucklehead Engine Case Set for 1941–1947 Harley-Davidson FL

Motorshop Knucklehead Engine Case Set for 1941–1947 Harley-Davidson FL

Regular price $1,539.99 USD
Sale price $1,539.99 USD Regular price $1,598.45 USD
Sale Sold out
Shipping calculated at checkout.
Knucklehead engine case set includes case bushings and stud set.

The Motorshop Knucklehead Engine Case Set is designed as a replacement for the original cases used on 1941–1947 Harley-Davidson FL models. The case set is supplied without serial numbers, and a Bill of Sale will be issued for the blank cases. The rear motor mount halves are stamped with the numeral “7” to denote 74 cubic inches; builders may also stamp these numbers in.

Oil from the top end returns through the pushrod tubes rather than through the cylinder base. The case accepts loose roller bearings on the sprocket and pinion shaft sides and includes pinion and sprocket shaft races. When mounting the oil pump body, use two gaskets for proper clearance.

Before final assembly, confirm the main bearing fitment clearance using the supplied technical guidance. Multiply the standard bearing measurement by two, then add that result to the left-side sprocket shaft measurement. For example, a .250-inch standard bearing measurement multiplied by two equals .500 inch; adding a 1.000-inch left-side sprocket shaft measurement produces 1.500 inches, indicating 1.501-inch fitment with .001-inch clearance. This set is sold as a complete case set and is manufactured in Taiwan.

Features:

  • Application: Designed as a replacement for original cases on 1941–1947 Harley-Davidson FL models
  • Case Design: Oil from the top end returns through the pushrod tubes rather than through the cylinder base
  • Bearing Support: Accepts loose roller bearings on the sprocket and pinion shaft sides
  • Included Case Components: Includes pinion and sprocket shaft races
  • Oil Pump Installation: Use two gaskets when mounting the oil pump body for proper clearance
  • Identification: No serial numbers are provided; a Bill of Sale is issued for blank cases
  • Engine Marking: Rear motor mount halves are stamped with the numeral “7” to denote 74 cubic inches
  • Unit of Measure: Set
  • Country of Origin: Taiwan
  • Fitment Guidance: Verify main bearing fitment clearance using the stated bearing and left-side sprocket shaft measurement procedure

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

Only 2 piece in stock!


View full details
Image with text

Upgrade Your Tech

Logitech provides beautifully designed peripherals for everyone at work, home, and school. Discover Logitech's all-in-one solutions to suit your unique way of working.