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Professional Series Forged Piston Set for Chevy Small Block, 4.030 in. Bore, 1.550 in. Compression Height, -15cc Dish
InfoVehicle Info Needed
WISECOPART NUMBER: 926-K431A3

Professional Series Forged Piston Set for Chevy Small Block, 4.030 in. Bore, 1.550 in. Compression Height, -15cc Dish

$1,79999
ShippingShips on 11/13/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set
  • Chevy Small Block
  • 4.030 in. Bore
  • 1.550 in. Compression Height
  • -15cc Dish
  • 0.927 in. Floating Wrist Pin Included
  • Slab Side 4032 Forged Aluminum
  • ArmorGlide Coated Skirt
  • Set of 8

    This Wiseco Professional Series piston set is forged from 4032 aluminum for Chevy Small Block engines. Each of the 8 pistons has a 4.030 in. bore and a 1.550 in. compression height with a -15cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

    Wiseco K431A3 Piston Set Features:

    • Made for Chevy Small Block engines
    • 4.030 in. bore diameter with a 1.550 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
    • 0.927 in. 5115 Steel floating wrist pin included
    • Piston rings sold separately
    • Fully machined crown with precision ring grooves and an anti-detonation groove
    • Forced pin oiling feeds the wrist pin bore
    • Set of 8 pistons
    • Part TypePiston
    BrandWISECO
    Package Height4.3
    Package Width10.5
    Package Length28.2
    Weight13.5 PG
    Part CategoryPerformance Parts
    Compression Height1.550 in.
    Piston Head TypeDish
    Wrist Pin StyleFloating
    QuantitySet of 8
    Bore Diameter4.030 in.
    Piston StyleSlab Side
    Piston Pin Outside Diameter0.927 in.
    Piston Head Volume (Cc)-15cc
    Piston Material4032 Aluminum
    Part FitmentUniversal
    Wrist Pin IncludedYes
    Piston Quantity8
    Piston Pin Material5115 Steel
    Vendor Part NumberK431A3
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning