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Pro Tru Street Series Forged Piston Set with Rings for Chevy Small Block, 4.040 in. Bore, 1.125 in. CH, -20cc [4032 Aluminum]
InfoVehicle Info Needed
WISECOPART NUMBER: 926-PTS534A4

Pro Tru Street Series Forged Piston Set with Rings for Chevy Small Block, 4.040 in. Bore, 1.125 in. CH, -20cc [4032 Aluminum]

$69399
ShippingShips on 12/16/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set with Rings
  • Chevy Small Block
  • 4.040 in. Bore
  • 1.125 in. Compression Height
  • -20cc Dish
  • 0.927 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 Chevy Small Block engines. Each of the 8 pistons has a 4.040 in. bore and a 1.125 in. compression height with a -20cc dish. Pro Tru Street pistons are intended for street and strip engine rebuilds.

    Wiseco PTS534A4 Piston Set Features:

    • Made for Chevy Small Block engines
    • 4.040 in. bore diameter with a 1.125 in. compression height
    • -20cc dish volume
    • Forged from 4032 aluminum alloy with a slab side forging design
    • ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
    • 0.927 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 Width10.7
    Package Length28.1
    Weight12.3 PG
    Part CategoryPerformance Parts
    Compression Height1.125 in.
    Piston Head TypeDish
    Wrist Pin StyleFloating
    QuantitySet of 8
    Oil Ring Thickness3/16 in.
    Bore Diameter4.040 in.
    Piston StyleSlab Side
    Piston Pin Outside Diameter0.927 in.
    Piston Head Volume (Cc)-20cc
    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 NumberPTS534A4
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning