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Professional Series Forged Piston Set with Rings for Mitsubishi 4G93, 81.50 mm Bore, 30.25 mm Compression Height, -2.5cc Dish
InfoVehicle Info Needed
WISECOPART NUMBER: 926-K683M815

Professional Series Forged Piston Set with Rings for Mitsubishi 4G93, 81.50 mm Bore, 30.25 mm Compression Height, -2.5cc Dish

$74699
ShippingShips on 11/13/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set with Rings
  • Mitsubishi 4G93
  • 81.50 mm Bore
  • 30.25 mm Compression Height
  • -2.5cc Dish
  • 0.748 in. Floating Wrist Pin Included
  • Piston Rings Included
  • 2618 Forged Aluminum
  • ArmorGlide Coated Skirt
  • Set of 4

    This Wiseco Professional Series piston set is forged from 2618 aluminum for Mitsubishi 4G93 engines. Each of the 4 pistons has an 81.50 mm bore and a 30.25 mm compression height with a -2.5cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

    Wiseco K683M815 Piston Set Features:

    • Made for Mitsubishi 4G93 engines
    • 81.50 mm bore diameter with a 30.25 mm compression height
    • -2.5cc dish volume
    • Forged from 2618 aluminum alloy
    • ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
    • 0.748 in. 5115 Steel floating wrist pin included
    • Piston rings included: 1 mm top, 1.2 mm second and 3 mm oil ring
    • Fully machined crown with precision ring grooves and an anti-detonation groove
    • Forced pin oiling feeds the wrist pin bore
    • Set of 4 pistons
    • Part TypePiston Set with Rings
    BrandWISECO
    Package Height4.2
    Package Width7.5
    Package Length8.0
    Weight8.4 PG
    Part CategoryPerformance Parts
    Compression Height30.25 mm
    Piston Head TypeDish
    Wrist Pin StyleFloating
    QuantitySet of 4
    Oil Ring Thickness3 mm
    Bore Diameter81.50 mm
    Piston Pin Outside Diameter0.748 in.
    Piston Head Volume (Cc)-2.5cc
    Second Compression Ring Thickness1.2 mm
    Top Compression Ring Thickness1 mm
    Piston Material2618 Aluminum
    Part FitmentUniversal
    Wrist Pin IncludedYes
    Piston Quantity4
    Piston Pin Material5115 Steel
    Vendor Part NumberK683M815
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning