Motorshop 10-1755 74-Inch Knucklehead Engine Assembly

Replica 74 inch long block Knucklehead with polished rocker boxes parkerized valve cover cups a Linkert 4 bolt manifold the motor sprocket and an 18mm sparking plug set. Fully assembled and tested for oil pressure.

The Motorshop 10-1755 74-inch Knucklehead Engine Assembly is a replica V-Twin engine supplied fully assembled with a carburetor and shop tested for oil pressure. It features replica crankcases with authentic cast profiles, relay and number bosses, polished rocker boxes, and an overhead oiler provision from the timing cover. A Burkhardt offset magneto is installed, and the assembly includes a mechanical-advance distributor with a corresponding relay mount and distributor post guide slot.

The engine is equipped with cast-iron-type flywheels assembled with stock rods and Torrington rollers with steel cages at the sprocket and pinion shaft ends. Its valve train includes solid tappet assemblies, a Sifton Lightning cam, Sifton solid stock pushrods, chrome pushrods, and chrome pushrod covers. Replica cast-iron cylinders use 8.5:1 cast pistons and Hastings rings, while the replica cast-iron oil pump has an early-style iron cover.

A black M-74 Linkert carburetor is pre-run, installed, and tested within the Motor Shop. The intake system includes a Linkert-style four-bolt manifold with plumber-style nuts and brass seals. Newly cast Knucklehead heads include parkerized lower valve cover cups and tops. The Motorshop 10-1755 assembly is supplied with a Manufacturer's Bill of Sale.

Features:

• Replica 74-inch V-Twin Knucklehead engine supplied fully assembled
• Burkhardt offset magneto installed
• Replica crankcases with authentic cast profiles, relay, and number bosses
• Polished rocker boxes with overhead oiler provision from the timing cover
• Cast-iron-type flywheels with stock rods and Torrington rollers with steel cages
• Solid tappet assemblies with Sifton Lightning cam
• Sifton solid stock pushrods and chrome pushrod covers
• Cast-iron cylinders with 8.5:1 cast pistons and Hastings rings
• Replica cast-iron oil pump with early-style iron cover
• Black M-74 Linkert carburetor pre-run, installed, and tested within the Motor Shop
• Mechanical-advance distributor with relay mount and distributor post guide slot
• Linkert-style four-bolt intake manifold with plumber-style nuts and brass seals
• Shop tested for oil pressure
• Manufacturer's Bill of Sale supplied

Fitment:
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