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Wiseco Piston Kit (73ci., Domed) - Standard Bore 3.4955in., 10.5:1 Compression - 4891PS

4891PS

Description

  • All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
  • Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation.
  • Wiseco�s wide range of oversize pistons increase the life of cast iron lined cylinders.
  • Wiseco�s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today�s market place.
  • Wiseco high performance forged pistons are designed from over 70 years of experience in all racing and riding conditions, to provide your engine with the best performance, durability, and long service life. All Wiseco pistons and components are optimized for your vehicle to get the most value for your money.

  • *Please note pistons and rings sold by bore size.
    *STANDARD and OVERSIZES are not indicated.


    CONTENTS:
  • 3497X - 88.82 mm Ring Set
  • S534 - PistonPin 20.117mm x 2.2007" Chromed SW
  • W5731 - ROUND WIRE PIN LOCKS-HARLEY20MM (PR
  • Dome Volume: +3.63cc
  • Valve Pocket Depth - Intake: -.167in
  • Valve Pocket Dia - Intake: 2.100in
  • Valve Pocket Depth - Exhaust: -.167in
  • Valve Pocket Dia - Exhaust: 2.100in
  • Skirt Coating: Moly
  • Note: Valve pocket dimensions measured from deck height
  • Product Series

    Application List

    YearsMakeModelApplicationNotes
    2007 - 2007Harley DavidsonXL50 50th Anniversary Sportster
    2004 - 2019Harley DavidsonXL1200C Sportster 1200 Custom
    2006 - 2011Harley DavidsonXL1200L Sportster 1200 Low
    2007 - 2012Harley DavidsonXL1200N Sportster 1200 Nightster
    2012 - 2016Harley DavidsonXL1200V Seventy-Two
    2004 - 2008Harley DavidsonXL1200R Sportster 1200 Roadster
    2010 - 2020Harley DavidsonXL1200X Forty-Eight

    Shipping Information

    • Item Requires Shipping
    • 5.0 lbs.
    • W6.0000” x H10.0000” x L4.0000”
    • Free Ground Shipping (1 - 5 Days)