Left Side Knucklehead Engine Case. Left side engine case is sand cast as original, number boss is blank. Case must be fit to builder's right hand case. Fitting the case to your existing cas.E may require machining and/or adding material on motor mount surfaces, beside the deck height of the cylinder spigot area. This is not a "bolt on " component.
Deck height must be milled to fit. Case set required line lapping of the main case races. Order case race available separately. Baffles cast in at cylinder base area.
NOTE: Left side cases accept standard case race. NOTE: Short rib case used 1936 - mid 1961. Last 1941 production thru 1947 have the high rib, for the added strength needed for 74 cubic inch. Hi/AK/PR/APO AP may be higher. I offer these parts at a discount on my website.All Sales are Final unless item is misrepresented. The item "New Replica 1936-1940 Harley Davidson EL 61 Knucklehead Left Side Engine Case" is in sale since Wednesday, June 29, 2016. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Antique, Vintage, Historic".
The seller is "giveitfullthrottle" and is located in Kyle, Texas. This item can be shipped worldwide.