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- UEM Pistons KB Signature Series Hypereutectic Small 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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PRICE
Chevy 327ci Stock-Type Pistons
United Engine Machine KB156.040
United Engine Machine 327ci Stock-Type Piston w/5.7" Rods, .040" Overbore Piston Dia.: 4.040"
$382.99
Estimated to ship direct from manufacturer in 24hrs
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United Engine Machine KB156.STD
United Engine Machine 327ci Stock-Type Piston w/5.7" Rods, STD Overbore Piston Dia.: 4.000"
$382.99
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United Engine Machine KB157.040
United Engine Machine 327ci Stock-Type Pistons, w/5.7" Rods, .040" Overbore Piston Dia.: 4.040"
$402.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$402.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB157.STD
United Engine Machine 327ci Stock-Type Pistons, w/5.7" Rods, Standard Bore Piston Dia.: 4.000"
$426.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$426.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 327ciDome Top Pistons
United Engine Machine KB157.030
United Engine Machine Chevy 327ci Hypereutectic Pistons Solid Dome .100"
$324.99
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$324.99
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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United Engine Machine KB157.060
United Engine Machine Chevy 327ci Hypereutectic Pistons Solid Dome .100"
$426.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$426.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 327ciFlat Top Pistons
$382.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$382.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 350ci Stock-Type Pistons for 1969-78 Trucks, 1969-70 Cars, 1990-91 Corvette
United Engine Machine KB120.STD
United Engine Machine 350ci Stock-Type Piston, Use w/5.7" Rods, Standard Bore Piston Dia.: 4.000"
$362.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$362.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB106.040
United Engine Machine 350ci Stock-Type Pistons, Use w/5.7" Rods, .040" Overbore Piston Dia.: 4.040"
$362.99
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
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$362.99
Estimated to ship direct from manufacturer on 04/22/24, pending manufacturer availability.
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Chevy 350ciDish Top Pistons Use w/5.700'' Connecting Rods
United Engine Machine KB142.STD
United Engine Machine Chevy 350ci Hypereutectic Pistons D-Cup 18cc 2V
$489.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$489.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 350ciDome Top Pistons Use w/5.700'' Connecting Rods
United Engine Machine KB180.060-1
United Engine Machine Chevy 350ci Hypereutectic Piston Hollow Dome .200"
$86.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$86.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB119.040-1
United Engine Machine Chevy 350ci Hypereutectic Piston Solid Dome .100"
$84.99
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United Engine Machine KB180.040
United Engine Machine Chevy 350ci Hypereutectic Pistons Hollow Dome .200"
$489.99
Estimated to ship direct from manufacturer in 24hrs
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United Engine Machine KB180.060
United Engine Machine Chevy 350ci Hypereutectic Pistons Hollow Dome .200"
$489.99
Estimated to ship direct from manufacturer in 24hrs
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United Engine Machine KB105.030
United Engine Machine Chevy 350ci Hypereutectic Pistons Solid Dome .100"
$442.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$442.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB119.030
United Engine Machine Chevy 350ci Hypereutectic Pistons Solid Dome .100"
$469.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$469.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB119.040
United Engine Machine Chevy 350ci Hypereutectic Pistons Solid Dome .100"
$466.99
Estimated to ship direct from manufacturer in 24hrs
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United Engine Machine KB119.060
United Engine Machine Chevy 350ci Hypereutectic Pistons Solid Dome .100"
$466.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$466.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 350ciFlat Top Pistons Use w/5.700'' Connecting Rods
$79.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$79.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB120KTM.030
United Engine Machine Chevy 350ci Hypereutectic Pistons & Rings Flat Top
$432.99
Estimated to ship direct from manufacturer in 24hrs
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United Engine Machine KB120KTM.060
United Engine Machine Chevy 350ci Hypereutectic Pistons & Rings Flat Top
$432.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$432.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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United Engine Machine KB120KTM.STD
United Engine Machine Chevy 350ci Hypereutectic Pistons & Rings Flat Top
$432.99
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$342.99
(1)
Estimated to ship direct from manufacturer in 24hrs
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$342.99
(1)
Estimated to ship direct from manufacturer in 24hrs
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$362.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$362.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 350ciFlat Top Pistons Use w/6.000'' Connecting Rods
Chevy 377ciFlat Top Pistons Use w/5.700'' Connecting Rods Use with Chevy 400ci Block and 350ci Crankshaft
$449.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$449.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$449.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$449.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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Chevy 383ci Performance Pistons, 350 Block with 400 Crankshaft and 5.7'' Rods
United Engine Machine KB111.060
United Engine Machine 383ci Performance Pistons, 350 Block w/400 Crank, .060" Overbore Piston Dia.: 4.060"
$489.99
Estimated to ship direct from manufacturer in 24hrs
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Chevy 383ciDish Top Pistons Use w/5.700'' Connecting Rods Use with Chevy 350ci Block and 400ci Crankshaft
$92.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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$92.99
Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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