Chopper Parts and Motorcycles

Custom Chopper Motorcycles and Accessories

Knucklehead Engine

New and used Harley Davidson Knucklehead engines for sale by individuals, parts suppliers, and dealers.

Clicking on the links below will open a detailed description of the Knucklehead engine in a new window on eBay.

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S&S KN74 KNUCKLEHEAD ENGINE 74 S&S KN74 KNUCKLEHEAD ENGINE 74" MOTOR FOR HARLEY 1936 99 CHASSIS 310 0025 $8,895.00
S&S KN93 ENGINE 93 S&S KN93 ENGINE 93" MOTOR FOR 1936 1999 HARLEY KNUCKLEHEAD 106 2161 $8,995.00
Harley Shovelhead knucklehead panhead flathead bobber chopper motor project vard Harley Shovelhead knucklehead panhead flathead bobber chopper motor project vard $2,000.00
1939 ONLY 4 Speed Transmission EL UL Panhead Knucklehead Harley FL Clutch Engine 1939 ONLY 4 Speed Transmission EL UL Panhead Knucklehead Harley FL Clutch Engine $1,995.00
Harley Knucklehead Motor Zylinder original 1946 überholt EL 1000cc Harley Knucklehead Motor Zylinder original 1946 überholt EL 1000cc $1,595.93
1947 KNUCKLEHEAD ENGINE 61 1947 KNUCKLEHEAD ENGINE 61" EL OVERHEAD VALVE PICK UP ONLY $12,440.00
Original Antique J A P Motor Harley Davidson Knucklehead Motorcycle ?JAP engine Original Antique J A P Motor Harley Davidson Knucklehead Motorcycle ?JAP engine $1,800.00
1941EL 61ci HARLEY KNUCKLEHEAD REBUILT MOTOR CPT W/PAPER 41 EL ENGINE LINKERT 1941EL 61ci HARLEY KNUCKLEHEAD REBUILT MOTOR CPT W/PAPER 41 EL ENGINE LINKERT $17,500.00
Harley Motor J JD Deko no Knucklehead Panhead Flathead Shovelhead Sportster XLCH Harley Motor J JD Deko no Knucklehead Panhead Flathead Shovelhead Sportster XLCH $1,020.26
S&S CYCLE 93” OR 74” KNUCKLEHEAD ENGINE MOTOR 1936 1999 HARLEY NATURAL & BLACK S&S CYCLE 93” OR 74” KNUCKLEHEAD ENGINE MOTOR 1936 1999 HARLEY NATURAL & BLACK $9,095.00

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