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454ci LS6 Closed Chamber Head Pistons, .030" Overbore Piston Dia.: 4.280"
InfoVehicle Info Needed
SEALED POWERPART NUMBER: 844-L2349F30

454ci LS6 Closed Chamber Head Pistons, .030" Overbore Piston Dia.: 4.280"

$1,03595
ShippingShips on 11/24/2026
Lowest PriceLowest Price Guarantee

Stock-Type Pistons
    454ci LS6 Closed Chamber Head Pistons, .030'' Overbore
  • Piston Dia.: 4.280''
  • Piston Top: 29.4cc Dome
  • Pressed Pin
  • Comp Ratio: 11.89:1 w/100.9cc Head, 10.01:1 w/119cc Head
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Set of 8
    Speed-Pro developed powerforged pistons and set the pace in powerforged technology. The high silicon VMS-75 alloy is found exclusively in pistons "powerforged" by Speed-Pro. Up to 3,000 tons of force forges aluminum slugs into the basic piston form which creates a grain flow pattern in the structure providing excellent strength, ductility and improved heat dissipation.

    Please Note: All compression ratios are figured with a gasket thickness representative of those commonly used and are approximate.

Part TypePiston
Product LineSpeed-Pro Powerforged Big Block Chevy Pistons
BrandSEALED POWER
Package Height3.75
Package Width6.0
Package Length7.0
Weight1.9 PG
Part CategoryPerformance Parts
QuantitySet of 8
Vendor Part NumberL2349F30
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
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