S&S CYCLE Top End Kit – 3.4375″ Bore – 74″ Big Twin ’66-’84

Sale!

S&S CYCLE Top End Kit – 3.4375″ Bore – 74″ Big Twin ’66-’84

Original price was: $3,659.95.Current price is: $298.98.

SKU: 8380194095294 Category:

Description

Features

  • Includes a set of S&S Shovelhead-style cylinder heads, a pair of S&S stock bore cylinders (3-7/16″ for 74″ engines or 3-1/2″ for 80″), forged 8:1 compression pistons complete with rings and wrist pins, manifold clamps, manifold seals, all required hardware, and gaskets
  • Pistons are pre-fit to the cylinders, so there is no machine work to be done and very little down time
  • Made in the USA

Specs

Product Name Cylinder Kit
Bore Size 3.4375″
Displacement 74″
Stroke Length 3-31/32″
Compression Ratio 8.0:1
Units Kit
Riding Style Street

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