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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Large Port "Aluminum" KNUCKLE HEADS for 1936 1947 Harley Knucklehead Motor
$3,288.00 (  Bids)
Buy It Now for only: $3,288.00
Replica FL 1941 1947 74
Replica FL 1941 1947 74" Long Block Engine Knucklehead w/ Polished Rocker Boxes
$8,399.99 (  Bids)
Buy It Now for only: $8,399.99
1947 HARLEY KNUCKLEHEAD EL FL E OHV RIGID OEM ENGINE CASE LEFT CL2
1947 HARLEY KNUCKLEHEAD EL FL E OHV RIGID OEM ENGINE CASE LEFT CL2
$3,345.04 (  Bids)
Buy It Now for only: $3,345.04
1943 HARLEY KNUCKLEHEAD FLATHEAD EL FL E UL U OHV RIGID OEM ENGINE CASE CL9
1943 HARLEY KNUCKLEHEAD FLATHEAD EL FL E UL U OHV RIGID OEM ENGINE CASE CL9
$4,179.99 (  Bids)
Buy It Now for only: $4,179.99
1938 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM LEFT ENGINE CASE CL6
1938 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM LEFT ENGINE CASE CL6
$6,879.99 (  Bids)
Buy It Now for only: $6,879.99
1944 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM ENGINE CASE LEFT CL19
1944 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM ENGINE CASE LEFT CL19
$4,879.99 (  Bids)
Buy It Now for only: $4,879.99
1948 HARLEY KNUCKLEHEAD PANHEAD EL E OHV RIGID OEM ENGINE CASE RIGHT SIDE CL19
1948 HARLEY KNUCKLEHEAD PANHEAD EL E OHV RIGID OEM ENGINE CASE RIGHT SIDE CL19
$1,779.99 (  Bids)
Buy It Now for only: $1,779.99
1945 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM ENGINE CASE LEFT CL8
1945 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM ENGINE CASE LEFT CL8
$4,879.99 (  Bids)
Buy It Now for only: $4,879.99

"NOS" style Short Rib Knuckle LEFT MOTOR CASE for 1936 1940 Harley Knucklehead
$818.00 (  Bids)
Buy It Now for only: $818.00
1946 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM LEFT ENGINE CASE CL19
1946 HARLEY KNUCKLEHEAD FLATHEAD EL E OHV RIGID OEM LEFT ENGINE CASE CL19
$4,779.99 (  Bids)
Buy It Now for only: $4,779.99

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