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Pro Tru Street Series Forged Piston Set with Rings for Oldsmobile 455, 4.155 in. Bore, 1.750 in. Compression Height, -15cc Dish
InfoVehicle Info Needed
WISECOPART NUMBER: 926-PTS537A3

Pro Tru Street Series Forged Piston Set with Rings for Oldsmobile 455, 4.155 in. Bore, 1.750 in. Compression Height, -15cc Dish

$73599
ShippingShips on 11/13/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set with Rings
  • Oldsmobile 455
  • 4.155 in. Bore
  • 1.750 in. Compression Height
  • -15cc Dish
  • 0.980 in. Floating Wrist Pin Included
  • Piston Rings Included
  • Slab Side 4032 Forged Aluminum
  • ArmorGlide Coated Skirt
  • Set of 8

    This Wiseco Pro Tru Street Series piston set is forged from 4032 aluminum for Oldsmobile 455 engines. Each of the 8 pistons has a 4.155 in. bore and a 1.750 in. compression height with a -15cc dish. Pro Tru Street pistons are intended for street and strip engine rebuilds.

    Wiseco PTS537A3 Piston Set Features:

    • Made for Oldsmobile 455 engines
    • 4.155 in. bore diameter with a 1.750 in. compression height
    • -15cc dish volume
    • Forged from 4032 aluminum alloy with a slab side forging design
    • ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
    • 0.980 in. 5115 Steel floating wrist pin included
    • Piston rings included: 1/16 in. top, 1/16 in. second and 3/16 in. oil ring
    • As-forged dome with crown features and oil drain backs
    • Spirolox wrist pin retainers included
    • Set of 8 pistons
    • Part TypePiston Set with Rings
    BrandWISECO
    Package Height4.2
    Package Width10.9
    Package Length28.1
    Weight15.1 PG
    Part CategoryPerformance Parts
    Compression Height1.750 in.
    Piston Head TypeDish
    Wrist Pin StyleFloating
    QuantitySet of 8
    Oil Ring Thickness3/16 in.
    Bore Diameter4.155 in.
    Piston StyleSlab Side
    Piston Pin Outside Diameter0.980 in.
    Piston Head Volume (Cc)-15cc
    Second Compression Ring Thickness1/16 in.
    Top Compression Ring Thickness1/16 in.
    Piston Material4032 Aluminum
    Part FitmentUniversal
    Wrist Pin IncludedYes
    Piston Quantity8
    Piston Pin Material5115 Steel
    Vendor Part NumberPTS537A3
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning