Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC787.030
Chevy 489ci Forged Pistons Solid Dome Top .130"
$79834
Ships on 09/04/2026
Lowest Price GuaranteeChevy 489ciDome Top Pistons Use w/6.385'' Connecting Rods
- Chevy 489ci Forged Pistons
- Solid Dome Top .130''
- 4.280'' Bore (+.030'')
- Use w/6.385'' Connecting Rod & 4.250'' Crank Stroke
- Comp. Ratio: 11.7/96.5cc; 9.9/108cc; 9.6/119cc
- 8/pkg
Technical Specs: - Alloy: Premium High Ductility 2618
- Bore: 4.280'
- 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: .130' 12cc 1 Valve Relief (Closed Chamber Head)
- Intake Valve Relief: 0.286' Depth / 2.300' Diameter
- Exhaust Valve Relief: N/A
- Top Landing Height: 0.336'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 566/141
- Compression Ratio: 11.7:1 w/96.5cc Heads; 9.9:1 w/108cc Heads; 9.6:1 w/119cc
- Designed for O.E. and Edelbrock style cylinder heads.
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height4.4
Package Width9.3
Package Length18.8
Weight13.45 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC787.030
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
