Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB176.STD
Chevy 427ci Hypereutectic Pistons Hollow Dome .180"
$51247
Ships on 09/11/2026
Lowest Price GuaranteeChevy 427ciDome Top Pistons
- Chevy 427ci Hypereutectic Pistons
- Hollow Dome .180''
- 4.250'' Bore (Standard)
- 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 Height4.5
Package Width4.5
Package Length4.8
Weight1.95 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB176.STD
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
