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Made in USA
Forged Flat Top Piston Big Block Chevy 508ci with 4.500" Bore
InfoVehicle Info Needed
SRPPART NUMBER: 867-139482

Forged Flat Top Piston Big Block Chevy 508ci with 4.500" Bore

$73499
ShippingShips on 12/02/2026
Lowest PriceLowest Price Guarantee

Big Block Chevy
  • 508ci
      • Forged Flat Top Piston
    • Big Block Chevy 508ci
    • Bore: 4.500"
    • Stroke: 4.000"
    • Weight: 670 Grams
    • Rod Length: 6.135"
    • Head Volume: -3.0cc
    • Compression Height: 1.645"
    • 8/pkg

      Compression Ratio:
    • 106cc - 9.7:1
    • 112cc - 9.3:1
    • 118cc - 8.9:1
    • 124cc - 8.6:1
      Ideal for street/strip and marine applications. Symmetrical valve reliefs for universal installation. High silicon alloy for tighter piston to wall clearance. Lower ring lands and thicker crown for increased durability. Great for light duty nitrous or forced induction. .990'' x 2.930'' x .150'' straight wall carbon steel wristpin (150g) included. 1/16'' x 1/16'' x 3/16'' ring grooves.
    Part TypePiston
    Product LineSRP Big Block Chevy Flat Top Forged Pistons
    BrandSRP
    Package Height6.1
    Package Width11.4
    Package Length25.2
    Weight18.2 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number139482
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning