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Professional Series Forged Turbo Piston for Mazda BP, 3.346 in. Bore, 1.201 in. Compression Height, -4.2cc Dish [2618 Aluminum]
InfoVehicle Info Needed
WISECOPART NUMBER: 926-6553M85

Professional Series Forged Turbo Piston for Mazda BP, 3.346 in. Bore, 1.201 in. Compression Height, -4.2cc Dish [2618 Aluminum]

$21799
ShippingShips on 11/13/2026
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Forged Piston
  • Mazda BP
  • 3.346 in. Bore
  • 1.201 in. Compression Height
  • -4.2cc Dish
  • 0.787 in. Floating Wrist Pin Included
  • Piston Rings Included
  • Full Round 2618 Forged Aluminum
  • ArmorGlide Coated Skirt
  • Sold Individually

    This Wiseco Professional Series piston is forged from 2618 aluminum for Mazda BP engines, including turbocharged builds. It has a 3.346 in. bore and a 1.201 in. compression height with a -4.2cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

    Wiseco 6553M85 Piston Features:

    • Made for Mazda BP engines
    • 3.346 in. bore diameter with a 1.201 in. compression height
    • -4.2cc dish volume
    • Sized for a 5.236 in. stroke and 3.346 in. connecting rod length
    • Forged from 2618 aluminum alloy with a full round forging design
    • ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
    • 0.787 in. 5115 Steel floating wrist pin included
    • Piston rings included: 1.00 mm top, 1.20 mm second and 2.80 mm oil ring
    • Fully machined crown with precision ring grooves and an anti-detonation groove
    • Forced pin oiling feeds the wrist pin bore
    • Sold individually
    • Part TypePiston
    BrandWISECO
    Package Height4.2
    Package Width4.7
    Package Length4.7
    Weight1.0 PG
    Part CategoryPerformance Parts
    Compression Height1.201 in.
    Piston Head TypeDish
    Wrist Pin StyleFloating
    QuantitySold Individually
    Oil Ring Thickness2.80 mm
    Rod Length (In)3.346 in.
    Piston Head Volume-4.2cc
    Piston StyleFull Round
    Piston Pin Outside Diameter0.787 in.
    Second Compression Ring Thickness1.20 mm
    Top Compression Ring Thickness1.00 mm
    Piston Material2618 Aluminum
    Cylinder Bore Diameter3.346 in.
    Part FitmentUniversal
    Wrist Pin IncludedYes
    Piston Pin Material5115 Steel
    Vendor Part Number6553M85
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning