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Product Details

S&S KN93 Engine For Harley

The KN-Series engines resemble the classic Knucklehead design yet incorporate several enhancements to boost power, reliability, and durability. These improvements include a 93" displacement and a robust 1958-65 style flywheel assembly, enhancing stability, strength, and power capacity. Each engine arrives fully assembled, equipped with a pre-set S&S Super Stock electronic ignition system and a Super E carburetor, ensuring readiness for immediate operation.

Features:

  • 1958-65 style flywheel assembly
  • Splined sprocket shaft and Timken sprocket shaft bearing
  • S&S Cycle updated valve train with solid lifters
  • S&S Cycle Super E carburetor, manifold, and air cleaner
  • S&S Cycle Super Stock single fire ignition and polished billet timer
  • Front motor mount spacer for 1948-65 frames
  • One year warranty
  • Made in the USA

Specs:

  • Displacement: 93"
  • Bore: 3-5/8"
  • Stroke: 4-1/2"
  • Compression Ratio: 8.2:1
  • Pistons: S&S Forged
  • Camshaft: S&S 420

Note: 1955-64 style tin inner primary cover and engine sprocket required for installation.

Made in the USA
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style S&S Cycle KN93 Engine For Harley 1936-1965 J&P Cycles Item #10212384 Catalog Number420-288 Store Sku MFR. Product #106-2161 AvailabilityOut of Stock
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart
Fitment Notes & Exceptions
  • Item not eligible for return.
  • Engines ship using freight carriers and thereby require an extra 4-8 business days of lead time.
  • Complete motorcycle engines include an MSO (Manufacturer Statement of Origin), required by most states for registration and insurance. The MSO is mailed directly to the purchaser about six weeks after shipment. Accurate and up-to-date contact information is essential to ensure proper processing.
  • Fits 1936-47 stock chassis and 1948-65 chassis with front motor mount spacer (included).
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