S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098 — image 1

S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098

$3,659.95
Skip to product information
S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098 — image 1
  • S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098 — image 1
  • S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098 — image 2
  • S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098 — image 1
  • S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098 — image 2
S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098

S&S CYCLE Top End Kit - 3.500" Bore - 80" Big Twin '79-'84 90-0098

$3,659.95

Fitment check

Does this fit your bike?

Save the exact make, model, and year to check this product against AVT's reviewed fitment data.

Save my bike Ask AVT to verify fitment

A saved-bike match is a shopping aid. Always review manufacturer notes, exclusions, measurements, and installation requirements.

Top End Kit - 3.500" Bore - 80" Big Twin '79-'84

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

Specifications

  • Bore Size: 3.500"
  • Compression Ratio: 8.0:1
  • Displacement: 80"
  • Product Name: Cylinder Kit
  • Riding Style: Street
  • Stroke Length: 4-1/4"
  • Units: Kit
  • Country of Origin: US
  • Package Dimensions: 27.25 L × 12 W × 20.5 H in
  • Shipping Weight: 60.1 lb