347ci Stroker w/5.400" Pistons, .030" Overbore Piston Dia.: 4.030"
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UNITED ENGINE MACHINEPART NUMBER: 648-KB349.030

347ci Stroker w/5.400" Pistons, .030" Overbore Piston Dia.: 4.030"

$45259
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Ford 347ci Stroker Pistons
    347ci Stroker w/5.400'' Pistons, .030'' Overbore
  • Piston Dia.: 4.030''
  • Piston Top: Flat Top, Neutral
  • Comp Ratio: 12.2:1 w/55cc Heads, 10.8:1 w/64cc Heads
  • Rings: 1/16'', 1/16'', 3/16''
  • Priced Each, Sold as Set

100% CNC Machined Pistons

New high silicon alloys and diamond tooling have give Keith Black designers the material and equipment for performance breakthroughs in engine design. KB pistons are 100% CNC machined and T-6 heat treated from 16%-18% silicon Hypereutectic alloy. Features include drilled oil returns and pin oil supply, .072'' spiral wound retaining ring, 100% diamond turned, compensated high strength ring lands, high top ring location, 360° pressure pin oiling, diamond honed pin hole and lightweight rigid rib skirt design.

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Features:

  • 390 Hypereutectic alloy with 16% Silicon
  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • Reflective alloy allows 2% power increase
  • Quench dome technology minimizes deterioration
  • Zero deck quench designs
  • Sold in Sets (except when noted as 1 piston per package)Click here for reference guide to piston top designs
Part TypePiston
Product LineUEM Pistons KB Signature Series Hypereutectic Ford Pistons
BrandUNITED ENGINE MACHINE
Package Height4.5
Package Width4.5
Package Length4.8
Weight1.15 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB349.030
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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