Chevy 427ci Hypereutectic Pistons Hollow Dome .180"

Name: Chevy 427ci Hypereutectic Pistons Hollow Dome .180"
Brand: UNITED ENGINE MACHINE
SKU: 648-KB176.030
Price: 512.47 USD
Availability: InStock

^$512⁴⁷

Ships on Sep 07, 2026

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Chevy 427ci

Dome Top Pistons

Hollow Dome .180''
4.280'' Bore (+.030'')
Use w/6.135'' Connecting Rod & 3.760'' Crank Stroke
Comp. Ratio: 11.0/90cc; 10.1/105cc; 9.8/108cc; 9.0/119cc
8/pkg

Technical Specs:
Alloy: Hypereutectic 390
Bore: 4.280'
Crankshaft Stroke: 3.760'
Connecting Rod Length: 6.135'
Deck Height: 9.800'
Compression Height: 1.765'
Pin Size: 0.990'
Pin Location: Centered
Hollow Dome Top: .180' 17cc IV (Closed Chamber Head)
Intake Valve Relief: 0.267' Depth / 2.310' Diameter
Exhaust Valve Relief: N/A
Top Landing Height: 0.311'
Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
Gram Weight: 705/158
Compression Ratio: 11.0:1 w/96.5cc Heads; 10.1:1 w/105cc Heads; 9.8:1 w/108cc; 9.0:1 w/119cc Heads

Part TypePiston

BrandUNITED ENGINE MACHINE

Package Height3.9

Package Width9.2

Package Length18.3

Weight16.6 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part NumberKB176.030

Package Qty1

Package TypeEA

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Part Number : 844-L2300NF30

^$755⁶³

Some parts are not legal for use in California or other states with similar laws / regulations

Chevy 427ci Hypereutectic Pistons Hollow Dome .180"

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