Wiseco Chevrolet Big Block Piston Set, 4.310 in. Bore, 1.270 in. Compression Height, 0.990 in. Pin Diameter, Pro Tru Street, Set of 8.

Our Pro Tru™ Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and includes rings, pins, and clips for an all-inclusive rebuild. For any build budget, Wiseco has the piston to get you on the road or down the track.

  • ArmorGlide® Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation
  • 4032 Forged Aluminum
  • AS-Forged Dome with Crown Features & Oil Drain Backs
  • Chromium Alloy Steel Piston Pin & Spirolox® Included
    Product Series

    Pro Tru Street

    Bore Diameter

    4.280 IN

    Compression Height

    1.270 IN

    Piston Volume

    21.00 CC

    Piston Material

    4032

    Skirt Coating

    Yes

    Forging Type

    Slab Side

    Piston Quantity

    8

    Ring Set Included

    Yes

    Top Compression Ring Thickness

    1/16 IN

    Second Compression Ring Thickness

    1/16 IN

    Oil Ring Thickness

    3/16 IN

    Wrist Pin Included

    Yes

    Wrist Pin Material

    5115

    Wrist Pin Outer Diameter

    0.990 IN