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Convert your 107" M8 Engine into 124" of Proven S&S Performance

The S&S Power Package is the ideal combination of performance and savings designed to transform your M8 powerplant without breaking the bank. Pump your 107 cubic inch to 124 cubes – complete with 4.250 bore cylinders and pistons, matched cam, oil system, valve springs and billet tappet cuffs.

Bolt-in installation means no machining or fabrication is required. All kits are available with gear or chain drive cams and are designed to make big, reliable power with equally big savings. 

The S&S Power Package is in stock and available now.

S&S Power Package Kit Includes:

  • 124” bolt in big bore cylinder kit
  • 550 cam
  • Cam plate
  • High flow oil pump 
  • Valve springs
  • Lifters
  • Premium Tappets and Tappet Cuffs
  • Available for oil-cooled or water-cooled engines
  • Chain Drive or Gear Drive Cams available
  • Choose from black or chrome pushrods


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