KN-Series Engine

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J&P Part: 420-289

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Description
This product was proudly made in the USA Made In The USA

KN-Series Engine

Fitment Note: Will also fit most custom applications using 1970-98 alternator style primary system.

• The KN series engines are very close in appearance to the stock Knucklehead engine, but offer a number of modern features for more power, better engine life, and improved reliability

• Aside from the much larger 93″ displacement, the main improvement in design is the 1958-65 style flywheel assembly, which uses a splined sprocket shaft and Timken sprocket shaft bearing

• Although this necessitates the use of a 1954-64 style inner tin primary cover and primary chain sprocket, the increased flywheel stability strength and power handling capacity are worth a slight departure from stock

• Flathead Power rocker arm cover “tins” are another modern improvement

• S&S has improved the design of the oil lines for better reliability and easier assembly and maintenance

• Flathead Power KN series engines come completely assembled and ready to run with a present SS Super Stock electronic ignition system and Super E carburetor

• KN Series engines come with a 12 month warranty

Shipping Note: There is an additional $125.00 charge for shipping this item.
Due to safety regulations, this item can only be shipped by ground and cannot be shipped to APO or FPO addresses.
Product Specs
Manufacturer Part Number: 106-2560 Sold in Units: Each
Fitment

Fitment Note: Will also fit most custom applications using 1970-98 alternator style primary system.

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