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- UEM Pistons KB Signature Series Hypereutectic Big Block Chevy Pistons
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 piston are 100% CNC machined and T-6 heat treated from 16%-18% silcon 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
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Chevy 396/402ciDome Top Pistons
United Engine Machine KB160.030
United Engine Machine Chevy 396/402ci Hypereutectic Pistons Hollow Dome .180"
$454.99
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United Engine Machine KB160.040
United Engine Machine Chevy 396/402ci Hypereutectic Pistons Hollow Dome .180"
$482.99
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United Engine Machine KB160.STD
United Engine Machine Chevy 396/402ci Hypereutectic Pistons Hollow Dome .180"
$375.45
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Chevy 427ciDome Top Pistons
United Engine Machine KB176.STD
United Engine Machine Chevy 427ci Hypereutectic Pistons Hollow Dome .180"
$526.99
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United Engine Machine KB176.030
United Engine Machine Chevy 427ci Hypereutectic Pistons Hollow Dome .180"
$526.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$526.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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Chevy 454ciDome Top Pistons
United Engine Machine KB201.030
United Engine Machine Chevy 454ci Hypereutectic Pistons Solid Dome Top .133"
$529.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$529.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB203.030
United Engine Machine Chevy 454ci Hypereutectic Pistons Solid Dome Top .133"
$422.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$422.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB203.060
United Engine Machine Chevy 454ci Hypereutectic Pistons Solid Dome Top .133"
$476.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$476.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB207.030
United Engine Machine Chevy 454ci Hypereutectic Pistons Hollow Dome Top .250"
$522.99
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United Engine Machine KB207.030-1
United Engine Machine Chevy 454ci Hypereutectic Piston Hollow Dome Top .250"
$104.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$104.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB207.060
United Engine Machine Chevy 454ci Hypereutectic Pistons Hollow Dome Top .250"
$454.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$454.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB245KTD.030
United Engine Machine Chevy 454ci Hypereutectic Piston and Ring Kit Hollow Dome Top .500"
$544.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$544.99
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Chevy 454ci
$549.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$549.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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Chevy 454ciDome Top Pistons
United Engine Machine KB257.030
United Engine Machine Chevy 454ci Hypereutectic Pistons Hollow Dome Top .250"
$484.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$484.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB257.STD
United Engine Machine Chevy 454ci Hypereutectic Pistons Hollow Dome Top .250"
$459.99
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United Engine Machine KB257.STD-1
United Engine Machine Chevy 454ci Hypereutectic Pistons Hollow Dome Top .250"
$96.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$96.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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United Engine Machine KB284.030
United Engine Machine Silv-O-Lite Pistons / KB 454 STROKER 5/64 3/16
$519.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$519.99
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United Engine Machine KB203.030-1
United Engine Machine Chevy 454ci Hypereutectic Pistons Solid Dome Top .133"
$94.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$94.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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Chevy 489ciDome Top Pistons Use with Chevy 454 Block
United Engine Machine KB398.030
United Engine Machine Chevy 489ci Hypereutectic Pistons Dome Top .180"
$532.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$532.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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Chevy 489ciFlat Top Pistons Use with Chevy 454 Block
$102.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$102.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$519.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$519.99
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$619.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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$619.99
Estimated to ship direct from manufacturer on 10/10/24, pending manufacturer availability.
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