S&S CYCLE Cylinder Heads - Super Stock® - 89 cc - Wrinkle Black - Twin Cam 90-1106 — image 1

S&S CYCLE Cylinder Heads - Super Stock® - 89 cc - Wrinkle Black - Twin Cam 90-1106

$1,795.95
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S&S CYCLE Cylinder Heads - Super Stock® - 89 cc - Wrinkle Black - Twin Cam 90-1106 — image 1

S&S CYCLE Cylinder Heads - Super Stock® - 89 cc - Wrinkle Black - Twin Cam 90-1106

$1,795.95

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Cylinder Heads - Super Stock® - 89 cc - Wrinkle Black - Twin Cam

Features

  • Heads are fully assembled with springs and valves
  • Designed for '99-'05 engines with stock crankcase
  • Good for touring bikes and other heavy vehicles
  • Works best for motors over 103" or with high-compression pop-up pistons
  • Combustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines
  • Large 2.000" intake and 1.605" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential
  • S&S® High performance valve springs allow the installation of camshafts with up to .650" lift
  • Intake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM
  • Compatible with stock rocker boxes, exhaust, and intake manifolds
  • Includes heads and four long headbolts; and reuse four long OEM headbolts
  • Made in the USA
  • Must use S&S rocker boxes if S&S compression releases are used.

Specifications

  • Color/Finish: Powder-Coated
  • Displacement: 89 cc
  • Material: Aluminum
  • Model: Super Stock
  • Product Name: Cylinder Head Kit
  • Riding Style: Street
  • Units: Pair
  • Country of Origin: US
  • Package Dimensions: 17.75 L × 11.01 W × 11 H in
  • Shipping Weight: 29.01 lb