P3086(8)060 Piston for 1968-1974 Oldsmobile 7.5L [+0.060 in. Oversize]
InfoVehicle Info Needed
ENGINETECHPART NUMBER: 416-P3086(8)060

P3086(8)060 Piston for 1968-1974 Oldsmobile 7.5L [+0.060 in. Oversize]

$37699
ShippingShips on 11/18/2026
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GM
Piston
  • 1968-1974 Oldsmobile 7.5L
  • Piston
  • Size: +0.060 in. Oversize
  • Set of 8

    The Enginetech P3086(8)060 is a replacement piston for 1968-1974 Oldsmobile 7.5L.120 deep. 1.720 CH. High Comp. Use R41258 or M41258 rings engines, sized at +0.060 in. Oversize. Engineered to OE specifications for reliable combustion chamber performance.

    Enginetech P3086(8)060 Piston Features:

    • Fitment: GM/Oldsmobile, 455 ci
    • Size: +0.060 in. Oversize
    • Engineered to OE specifications for direct replacement
    • Precision-Engineered Pistons for Reliable Engine Performance

      Enginetech Piston Sets are engineered to deliver consistent performance, durability, and OE-level fitment for engine rebuild and repair applications, backed by Enginetech’s reputation as a trusted supplier to professional engine builders. Manufactured using advanced materials and precision machining processes, these piston sets are designed to maintain proper clearances, balance, and combustion efficiency across a wide range of domestic and import engines. Enginetech offers cast aluminum, hypereutectic, and forged piston options to meet varying performance and durability requirements, ensuring compatibility with both stock and performance builds. With a focus on weight-matched sets, dimensional accuracy, and long-term reliability, Enginetech piston sets provide a dependable foundation for restoring engine integrity, improving efficiency, and supporting consistent operation under demanding conditions.

    Part TypePiston
    Product LineEnginetech Piston Sets
    BrandENGINETECH
    Package Height4.5
    Package Width9.25
    Package Length18.25
    Weight16.5 PG
    Part CategoryReplacement Parts
    Piston Pin Outside Diameter0.9805
    Compression Height1.720
    Second Compression Ring Thickness5/64
    Size+0.060 in. Oversize
    Top Compression Ring Thickness5/64
    QuantitySet of 8
    Piston MaterialCast aluminum
    Oil Ring Thickness3/16
    FitmentGM/Oldsmobile
    Part FitmentDirect Fit
    RemanufacturedNo
    Bore Diameter4.125
    Vendor Part NumberP3086(8)060
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning