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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OEM 1940 1947 Rear Big Port Head Knucklehead Harley Engine FL Panhead UL W 421
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
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
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
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
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
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
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
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
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
Complete S&S 93" KN93 Series Alternator Generator Style Knucklehead Motor Engine
$9,849.94 (  Bids)
Buy It Now for only: $9,849.94

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