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.
Choose your country: |
Change Sort Order: |
![]() OEM 1940 1947 Rear Big Port Head Knucklehead Harley Engine FL Panhead UL W 421 $1,500.00 ( Bids) Buy It Now for only: $1,500.00 |
![]() Panhead Shovelhead Knucklehead Sportster Tank Fender Fiberglass Molds Motor $1,000.00 ( Bids) Buy It Now for only: $1,000.00 |
![]() S&S Cycle 106 2560 KN93 Knucklehead Engine $9,574.05 ( Bids) Buy It Now for only: $9,574.05 |
![]() S AND S CYCLE KNUCKLEHEAD ENGINE 106 2560 $9,655.42 ( Bids) Buy It Now for only: $9,655.42 |
![]() New Harley Davidson Knucklehead S&S KN93 Complete Assembled Engine Motor $9,499.95 ( Bids) Buy It Now for only: $9,499.95 |
![]() 1937 HARLEY DAVIDSON KNUCKLEHEAD ENGINE COMPLETELY RESTORED MINT CONDITION $49,999.99 ( Bids) Buy It Now for only: $49,999.99 |
![]() S&S Cycle Knucklehead HD Engine KN74 Gen $9,838.99 ( Bids) Buy It Now for only: $9,838.99 |
![]() S&S Cycle Knucklehead HD Engine KN93 Gen $9,960.99 ( Bids) Buy It Now for only: $9,960.99 |
![]() S&S Cycle Knucklehead HD Engine KN93 Alt/Gen $10,077.99 ( Bids) Buy It Now for only: $10,077.99 |
![]() Complete S&S 93" KN93 Series Alternator Generator Style Knucklehead Motor Engine $9,849.94 ( Bids) Buy It Now for only: $9,849.94 |