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Chevy 396/402ciDome Top Pistons
- Chevy 396/402ci FHR Forged 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
- 8/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 Height5.8
Package Width11.2
Package Length25.4
Weight14.29 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC9948.040
Package Qty1
Package TypeEA
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