Chevy 350ci Hypereutectic Pistons Solid Dome .100"

Name: Chevy 350ci Hypereutectic Pistons Solid Dome .100"
Brand: UNITED ENGINE MACHINE
SKU: 648-KB119.030
Price: 430.11 USD
Availability: InStock

^$430¹¹

Ships on 09/04/2026

Lowest Price Guarantee

Chevy 350ci

Dome Top Pistons

Use w/5.700'' Connecting Rods

Solid Dome .100''
4.030'' Bore (+.030'')
Use w/5.700'' Connecting Rod & 3.480'' Crank Stroke
Comp. Ratio: 12.0/58cc; 11.4/62cc; 11.1/64cc; 9.7/76cc
8/pkg

Technical Specs:
Alloy: Hypereutectic 390
Bore: 4.030'
Crankshaft Stroke: 3.480'
Connecting Rod Length: 5.700'
Deck Height: 9.025'
Compression Height: 1.561'
Pin Size: 0.9272'
Pin Location: Centered
Solid Dome Top: .100' -.5cc 2 Symmetrical Valve Reliefs
Intake Valve Relief: 0.280' Depth / 2.168' Diameter
Exhaust Valve Relief: 0.280' Depth / 2.168' Diameter
Top Landing Height: 0.275'
Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
Gram Weight: 553/145
Compression Ratio: 12.0:1 w/58cc Heads; 11.4:1 w/62cc Heads; 11.1:1 w/64cc; 9.7:1 w/76cc Heads

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.

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