Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC9952.STD
Chevy 489ci FHR Forged Pistons Solid Dome .202" (Open Chamber Design)
$70473
Ships on 09/09/2026
Lowest Price GuaranteeChevy 489ciDome Top Pistons
- Chevy 489ci FHR Forged Pistons
- Solid Dome .202'' (Open Chamber Design)
- 4.250'' Bore
- Use w/6.385'' Connecting Rod & 4.250'' Crank Stroke
- 10.5:1/119cc Compression Ratio
- 8/pkg.
Technical Specs:
- Alloy: Premium 4032 Alloy
- Bore: 4.250'
- Crankshaft Stroke: 4.250'
- Connecting Rod Length: 6.385'
- Deck Height: 9.800'
- Compression Height: 1.270'
- Pin Size: 0.990' x 2.750'
- Pin Location: Centered
- Solid Dome Top: .202' 23cc 1 Valve Relief (Open Chamber Design)
- Intake Valve Relief: N/A
- Exhaust Valve Relief: N/A
- Top Landing Height: 0.320'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Gram Weight: 597/141
- Compression Ratio: 10.5:1 w/119cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height3.7
Package Width9.2
Package Length18.1
Weight13.86 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC9952.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
