Chevy 396/402ci FHR Forged Piston Solid Dome .204"

Name: Chevy 396/402ci FHR Forged Piston Solid Dome .204"
Brand: UNITED ENGINE MACHINE
SKU: 648-IC9948.040-1
Price: 187.84 USD
Availability: InStock

^$187⁸⁴

Ships on 09/11/2026

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Chevy 396/402ci

Dome Top Pistons

Solid Dome .204''
4.165'' Bore (+.070'' 396; +.040'' 402)
Use w/6.135'' Connecting Rod & 3.760'' Crank Stroke
10.5:1/96.5cc; 9.6:1/105cc; 8.5:1/119cc Compression Ratio
1/pkg.

Notes: For a 396ci engine (4.095" std bore), this will be a .070 over bore. Compression ratio will be 10.5 on 96.5 head (Closed chamber head).
Technical Specs:
Alloy: Premium 4032 Alloy
Bore: 4.155'
Crankshaft Stroke: 3.760'
Connecting Rod Length: 6.135'
Deck Height: 9.800'
Compression Height: 1.765'
Pin Size: 0.990' x 2.750'
Pin Location: Centered
Solid Dome Top: .204' 17cc 1 Valve Relief (Closed Chamber Design)
Intake Valve Relief: N/A
Exhaust Valve Relief: N/A
Top Landing Height: 0.340'
Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
Gram Weight: 674/141
Compression Ratio: 10.5:1 w/96.5cc Heads; 9.6:1 w/105cc Heads; 8.5:1 w/119cc Heads

Part TypePiston

BrandUNITED ENGINE MACHINE

Package Height4.0

Package Width4.0

Package Length4.0

Weight1.5 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part NumberSIC9948.040

Package Qty1

Package TypeEA

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

Chevy 396/402ci FHR Forged Piston Solid Dome .204"

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