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Pro Tru Street Series Forged Piston Set with Rings for Chevy Big Block 454, 4.260 in. Bore, 1.645 in. CH, +21cc [4032 Aluminum]
InfoVehicle Info Needed
WISECOPART NUMBER: 926-PTS514A1

Pro Tru Street Series Forged Piston Set with Rings for Chevy Big Block 454, 4.260 in. Bore, 1.645 in. CH, +21cc [4032 Aluminum]

$74199
ShippingShips on 11/13/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set with Rings
  • Chevy Big Block 454
  • 4.260 in. Bore
  • 1.645 in. Compression Height
  • +21cc Dome
  • 0.990 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 Big Block 454 engines. Each of the 8 pistons has a 4.260 in. bore and a 1.645 in. compression height with a +21cc dome. Pro Tru Street pistons are intended for street and strip engine rebuilds.

    Wiseco PTS514A1 Piston Set Features:

    • Made for Chevy Big Block 454 engines
    • 4.260 in. bore diameter with a 1.645 in. compression height
    • +21cc dome volume
    • Forged from 4032 aluminum alloy with a slab side forging design
    • ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
    • 0.990 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
    Weight17.5 PG
    Part CategoryPerformance Parts
    Compression Height1.645 in.
    Piston Head TypeDome
    Wrist Pin StyleFloating
    QuantitySet of 8
    Oil Ring Thickness3/16 in.
    Bore Diameter4.260 in.
    Piston StyleSlab Side
    Piston Pin Outside Diameter0.990 in.
    Piston Head Volume (Cc)+21cc
    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 NumberPTS514A1
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning