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Hypereutectic Pistons
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SEALED POWERPART NUMBER: 844-H857CP75MM

Hypereutectic Pistons

$37520
ShippingShips on 09/21/2026
Lowest PriceLowest Price Guarantee

Chevy LS
    Hypereutectic Pistons
  • 1999-2003 GM LS 6.0L
  • 4.030 in. / 102.100 mm Bore (+.750 mm)
  • -7 cc Dish Piston
  • 1.500 mm, 1.500 mm, 3.000 mm Ring Widths
  • Set of 8

    Technical Specs:
  • Material: Cast Aluminum
  • Bore: 4.030" (101.60mm)
  • Piston Top: Recessed Head .048" deep x 3.3410" diameter
  • Compression Height: 1.325"
  • Compression Ring Groove: 1.50mm
  • Second Ring Groove: 1.50mm
  • Oil Ring Groove Width: 3.00mm
  • Full Length: N/A
  • Pin Size: 0.945" O.D.
  • Pin Type: N/A
  • Skirt Type: Coated
  • Piston Skirt Clearance: N/A

    Add Strength and Power to Your Pistons

    Sealed Power Hypereutectic Pistons are built to exacting tolerances and feature an aluminum casting with an anti-friction skirt coating that is highly resistant to scuffing and wear. The Duroshield skirt helps improve fuel economy, doesn't require any additional clearance, extends piston life, and increases horsepower with less friction. These durable pistons operate with tight bore clearances and work perfectly with normal-range ring end gaps, making them great for street, bracket racing, and oval track applications.

Part TypePiston
Product LineSealed Power Hypereutectic Pistons
BrandSEALED POWER
Package Height4.0
Package Width4.0
Package Length4.0
Weight1.35 PG
Part CategoryPerformance Parts
QuantitySet of 8
Vendor Part NumberH857CP75MM
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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