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Professional Series Forged Sprint Piston Set with Rings for Chevy Small Block 360, 4.040 in. Bore, 1.250 in. CH, +13cc
InfoVehicle Info Needed
WISECOPART NUMBER: 926-K0138X4

Professional Series Forged Sprint Piston Set with Rings for Chevy Small Block 360, 4.040 in. Bore, 1.250 in. CH, +13cc

$1,09199
ShippingShips on 11/13/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set with Rings
  • Chevy Small Block 360
  • 4.040 in. Bore
  • 1.250 in. Compression Height
  • +13cc Dome
  • 0.927 in. Floating Wrist Pin Included
  • Piston Rings Included
  • Full Round 2618 Forged Aluminum
  • Set of 8

    This Wiseco Professional Series piston set is forged from 2618 aluminum for Chevy Small Block 360 engines, including sprint car builds. Each of the 8 pistons has a 4.040 in. bore and a 1.250 in. compression height with a +13cc dome. Professional Series pistons are aimed at heavy to severe duty race builds.

    Wiseco K0138X4 Piston Set Features:

    • Made for Chevy Small Block 360 engines
    • 4.040 in. bore diameter with a 1.250 in. compression height
    • +13cc dome volume
    • Sized for a 3.480 in. stroke and 6.000 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
    • 0.927 in. 5115 Steel floating wrist pin included
    • Piston rings included: 0.047 in. top, 0.047 in. second and 3.0 mm oil ring
    • 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 Set with Rings
    BrandWISECO
    Package Height4.2
    Package Width10.6
    Package Length28.0
    Weight16.8 PG
    Part CategoryPerformance Parts
    Compression Height1.250 in.
    Piston Head TypeDome
    Wrist Pin StyleFloating
    QuantitySet of 8
    Oil Ring Thickness3.0 mm
    Bore Diameter4.040 in.
    Piston StyleFull Round
    Piston Pin Outside Diameter0.927 in.
    Piston Head Volume (Cc)+13cc
    Second Compression Ring Thickness0.047 in.
    Top Compression Ring Thickness0.047 in.
    Piston Material2618 Aluminum
    Part FitmentUniversal
    Rod Length6.000 in.
    Wrist Pin IncludedYes
    Piston Quantity8
    Piston Pin Material5115 Steel
    Vendor Part NumberK0138X4
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning