World's Largest Aftermarket Motorcycle Parts and Accessories Superstore!


S&S Cycle 93″ Generator/Alternator Shovelhead Style Complete Engine

Select your motorcycle to guarantee fitment! Select A Motorcycle

Product may vary from photo(s).

Everyday Low Price: $7,994.99

J&P Part: 420-237

Rating: Read Reviews


Important warranty information: Warranty Information

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

S&S Cycle 93″ Generator/Alternator Shovelhead Style Complete Engine

• Comes complete with S&S Cycle Super Stock ignition system

• The bulletproof crankcases, flywheels, cylinders, and heads have been offered for years

• S&S Cycle recently added new premium valve train components including S&S Cycle billet gear cover, tappet guides, and rocker boxes

• Features the new S&S Cycle Shovelhead-style tappet guides are designed around the quiet, dependable Evolution style tappets

• Corrected tappet guide bore geometry assures correct valve timing using Evolution style cams

• Adjustable pushrods are collapsible for easy removal and installation, but are stronger than our old-style adjustable pushrods

• Billet rocker covers and S&S Cycle exclusive straight rocker shafts and the new S&S Cycle forged Shovelhead style roller rocker arms

• All generator case engines include reverse ignition drive gears

• 2 year parts and labor warranty

• Will fit 1970-84 as a custom application

Product Specs

  • Alternator or Generator: Alternator
  • Compression Ratio: 8.5:1
  • Cylinder Material: Cast Iron
  • Displacement Size CI: 93″
  • Ignition: Yes
  • Manufacturer Part Number: 31-9917
  • Material: Billet
  • Piston Material: Cast
  • Single or Dual Plugs: Single Plug
  • Sold in Units: Each
  • Stroke: 4-1/2″

Customer Reviews

 hajikiller Posted:

great engine!! buy it from J&P, and like EVERYTHING else J&P sells, you'll get it for 110+% over full MSRP!! What a deal!!

Select Your Motorcycle

Live Help

Get Help From Our Industry Experts

Call Us 24/7 1-800-318-4823

Help / FAQs