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Chevy 489ciDome Top Pistons Use w/6.385'' Connecting Rods
- Chevy 489ci Forged Pistons
- Hollow Dome Top .425''
- 4.375'' Bore (+.125'')
- Use w/6.385'' Connecting Rod & 4.250'' Crank Stroke
- Comp. Ratio: 12.0/119cc
- 8/pkg
Technical Specs: - Alloy: Premium High Ductility 2618
- Bore: 4.375'
- 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: .425' -38cc 1 Valve Relief (Open Chamber Head)
- Intake Valve Relief: 0.275' Depth / 2.420' Diameter
- Exhaust Valve Relief: N/A
- Top Landing Height: 0.340'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 595/141
- Compression Ratio: 12.0:1 w/119cc Heads
- Will Fit AFR, RHS,Trick Flow, World, Edelbrock, Brodix, Dart & O.E. Chevy OpenChamber Heads That Are 118cc's Or Larger. Always Check PistonTo Chamber & Valves To Assure You Have Adequate OperatingClearance.
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height3.8
Package Width9.3
Package Length18.2
Weight14.95 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC993.125
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
