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Professional Series Forged Sprint Piston Set with Rings for Chevy Small Block 305, 3.796 in. Bore, 1.250 in. CH, -3cc
InfoVehicle Info Needed
WISECOPART NUMBER: 926-K0137X6

Professional Series Forged Sprint Piston Set with Rings for Chevy Small Block 305, 3.796 in. Bore, 1.250 in. CH, -3cc

$1,01299
ShippingShips on 11/13/2026
Lowest PriceLowest Price Guarantee

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Forged Piston Set with Rings
  • Chevy Small Block 305
  • 3.796 in. Bore
  • 1.250 in. Compression Height
  • -3cc Dish
  • 0.927 in. Floating Wrist Pin Included
  • Piston Rings Included
  • Slab Side 4032 Forged Aluminum
  • Set of 8

    This Wiseco Professional Series piston set is forged from 4032 aluminum for Chevy Small Block 305 engines, including sprint car builds. Each of the 8 pistons has a 3.796 in. bore and a 1.250 in. compression height with a -3cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

    Wiseco K0137X6 Piston Set Features:

    • Made for Chevy Small Block 305 engines
    • 3.796 in. bore diameter with a 1.250 in. compression height
    • -3cc dish volume
    • Sized for a 3.480 in. stroke and 6.000 in. connecting rod length
    • 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: 1.5 mm top, 1.5 mm 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 TypeDish
    Wrist Pin StyleFloating
    QuantitySet of 8
    Oil Ring Thickness3.0 mm
    Bore Diameter3.796 in.
    Piston StyleSlab Side
    Piston Pin Outside Diameter0.927 in.
    Piston Head Volume (Cc)-3cc
    Second Compression Ring Thickness1.5 mm
    Top Compression Ring Thickness1.5 mm
    Piston Material4032 Aluminum
    Part FitmentUniversal
    Rod Length6.000 in.
    Wrist Pin IncludedYes
    Piston Quantity8
    Piston Pin Material5115 Steel
    Vendor Part NumberK0137X6
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning