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Forged Flat Top Piston Setfor 505 ci. Big Block Chrysler Wedge 4.350 in. Bore, 4.250 in. Stroke [440 Block]
InfoVehicle Info Needed
SRPPART NUMBER: 867-366393

Forged Flat Top Piston Setfor 505 ci. Big Block Chrysler Wedge 4.350 in. Bore, 4.250 in. Stroke [440 Block]

$69999
ShippingShips on 10/01/2026
Lowest PriceLowest Price Guarantee

4.350 in. Bore
Forged Flat Top Piston Set
  • 505 ci. Big Block Chrysler Wedge
  • Using 440 Block
  • Flat Top w/2 Valve Reliefs (-6 cc)
  • Bore: 4.350 in. (+.030 in.)
  • Stroke: 4.250 in.
  • Rod: 6.768 in.
  • Compression Height: 1.815 in.
  • Set of 8

    SRP 366393 Forged Flat Top Piston Set for 505 ci. Big Block Chrysler Wedge

    • For use with 440 Block
    • Bore: 4.350 in. 
    • Crankshaft Stroke: 4.250 in.
    • Connecting Rod Length: 6.768 in.
    • Compression Distance: 1.815 in.
    • Compression Ratio: 12.7:1 w/60 cc, 11.7:1 w/65 cc, 11.3:1 w/70 cc combustion chamber volume
    • Dome Volume: -6 cc
    • Piston Material: 4032 forged aluminum
    • Piston Pin Outside Diameter: .990 in.
    • Piston Pin Length: 2.930 in.
    • Part TypePiston
    BrandSRP
    Package Height5.0
    Package Width12.0
    Package Length28.5
    Weight18.09 PG
    Part CategoryPerformance Parts
    Piston Head Volume (Cc)-6
    Wrist Pin StyleFloating
    QuantitySet of 8
    Piston MaterialForged
    Pin Diameter0.99 in (25.1 mm)
    Oil Ring Thickness0.188 in (4.8 mm)
    Part FitmentSemi Universal
    Piston StyleFlat top, with two valve reliefs
    Bore4.35 in (110.49 mm)
    Vendor Part Number366393
    Package Qty1
    Package TypeEA
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