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1-6025-4080 FX-Series Flat Top Piston Set for 1968-1981 Small Block Oldsmobile, 4.080 in. Bore, -5cc Volume [OEM Stroke]
InfoVehicle Info Needed
DSS RACINGPART NUMBER: 915-1-6025-4080

1-6025-4080 FX-Series Flat Top Piston Set for 1968-1981 Small Block Oldsmobile, 4.080 in. Bore, -5cc Volume [OEM Stroke]

$74995
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Piston Installation Kit Includes: Universal Ring Squaring Tool, Ring Compressor, & Heavy Duty Piston Install Tool

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Oldsmobile
FX-Series Flat Top Piston Set
  • 1968-1981 Small Block Olds
  • Bore: 4.080 in.
  • Head Volume: -5cc
  • Material: Forged 4032
  • Pin Diameter: .980 in.
  • Pin Style: Press or Full Float
  • Ring Thickness: 1/16-1/16-3/16 in.
  • OEM Stroke
  • Set of 8

    DSS Racing 1-6025-4080 Features:

    • 6 additional areas of CNC milling for weight reduction in non critical areas
    • Thinner Ring Grooves Maximize Critical Ring Land Strength
    • Larger CNC Machined Valve Reliefs for More Aggressive Head & Cam Combinations
    • Heavy-Duty Piston Pins
    • Double True Arc Pin Locks, Provide Redundancy
    • Precision CNC Finished Pin Bores
    • Drilled Forced Wrist Pin Oiling
    • Drilled Bottom Ring Land Intersecting Oil Drain Backs
    • Advanced Profile Precision Diamond-Turned Skirts
    • Boost and NOS Ready! (Moderate to High Levels)
    • Ring Set Required: RS-DM400-4080
    • Ring Series: DM400
    • Fits Base Engine: 350
    • Compression Ratio: 64cc-10.35, 68cc-9.89, 70cc-9.68
    • Calculated Zero Deck: 9.3175
    • Compression Height: 1.625 in.
    • Rod Length: 6 in.
    • Stroke: 3.385 in. (OEM Stroke)
    • Pin Locking Rings Included: Yes
    • Wrist Pin Included: Yes
    • Oil Rail Support Ring Included: N/A
    • With Rings Without Rings: Without Rings
    • Total Valve Reliefs: 2
    • Part TypePiston
    BrandDSS RACING
    Package Height7.0
    Package Width8.5
    Package Length8.5
    Weight16.0 PG
    Part CategoryPerformance Parts
    Pin Lock Rings IncludedYes
    Compression Height (In)1.625
    Bore (In)4.08
    Wrist Pin StylePress or Full Floating
    QuantitySet of 8
    Piston Head Volume-5cc
    Piston StyleFlat Top
    Compression Ratio64cc-10.35, 68cc-9.89, 70cc-9.68
    Ring Thickness1/16-1/16-3/16"
    Piston MaterialForged 4032
    Pin Diameter (In)0.98
    Part FitmentSemi Universal
    Wrist Pin IncludedYes
    Snap Rings IncludedYes
    Vendor Part Number1-6025-4080
    Package Qty1
    Package TypeEA
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
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