Hypereutectic Flat Top Piston & Ring Set for Ford 351C
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UNITED ENGINE MACHINEPART NUMBER: 648-KB108KTD.030

Hypereutectic Flat Top Piston & Ring Set for Ford 351C

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Hypereutectic Piston & Ring Set
  • Ford 351C
  • Flat Top (+2 cc)
  • Bore: 4.030 in. (+.030)
  • Rod Length: 5.778 in.
  • Stroke: 3.500 in.
  • Ring Thickness: 1/16, 1/16, 3/16 in.
  • Set of 8

    Technical Specs:

    • Alloy: Hypereutectic 390
    • Bore: 4.030'
    • Crankshaft Stroke: 3.500'
    • Connecting Rod Length: 5.778'
    • Deck Height: 9.206'
    • Compression Height: 1.670'
    • Pin Size: 0.9122'
    • Pin Location: Centered
    • Flat Top: -2cc 1V
    • Intake Valve Relief: 0.148' Depth / 2.470' Diameter
    • Exhaust Valve Relief: N/A
    • Top Landing Height: 0.301'
    • Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
    • Gram Weight: 582/143
    • Compression Ratio: 11.1:1 w/62cc Heads; 10.6:1 w/66cc Heads; 9.5:1 w/76cc Heads
    • Includes ductile iron moly ring 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 Set with Rings
    Product LineUEM Pistons KB Signature Series Hypereutectic Ford Pistons
    BrandUNITED ENGINE MACHINE
    Package Height8.5
    Package Width10.1
    Package Length19.4
    Weight15.76 PG
    Part CategoryPerformance Parts
    Vendor Part NumberKB108KTD.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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