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Cast Pistons GM 6.6L V8
InfoVehicle Info Needed
SEALED POWERPART NUMBER: 844-411NP

Cast Pistons GM 6.6L V8

$20699
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

GM Pistons
    Cast Pistons
  • Pontiac 400 V8
  • 4.1210 Bore
  • 5/64, 5/64, 3/16 in. Rings
  • Flat Top w/4 Valve Reliefs
  • Set of 8
    The value of Speed-Pro's line of cast aluminum pistons are hard to beat for budget or stock-style rebuilds. They are made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And, because they're designed and manufactured to exceed OEM specs, they'll provide improved reliability, performance, and a long service life.
Part TypePiston
Product LineSpeed-Pro Cast Pistons
BrandSEALED POWER
Package Height5.1
Package Width10.2
Package Length20.4
Weight15.6 PG
Part CategoryReplacement Parts
QuantitySet of 8
Part FitmentDirect Fit
Vendor Part Number411NP
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning