Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy 489ciFlat Top Pistons Use with Chevy 454 Block
- Chevy 489ci Hypereutectic Pistons
- Flat Top
- 4.350'' Bore (+.100'')
- Use w/6.385'' Connecting Rod & 4.250'' Crank Stroke
- Comp. Ratio: 10.2/96.5cc; 9.5/105cc; 9.3/108cc; 8.6/119cc
- 1/pkg
Technical Specs: - Alloy: Hypereutectic 390
- Bore: 4.350'
- Crankshaft Stroke: 4.250'
- Connecting Rod Length: 6.385'
- Deck Height: 9.800'
- Compression Height: 1.270'
- Pin Size: 0.990'
- Pin Location: Centered (Includes Spacer Ring)
- Flat Top: 3cc Head Volume
- Intake Valve Relief: 0.266' Depth / 2.310' Diameter
- Exhaust Valve Relief: N/A
- Top Landing Height: 0.312'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 556/158
- Compression Ratio: 10.2:1 w/96.5cc Heads; 9.5:1 w/105cc Heads; 9.3:1 w/108cc; 8.6:1 w/119cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height5.0
Package Width5.0
Package Length5.3
Weight1.84 PG
Part CategoryPerformance Parts
Vendor Part NumberSKB284.100
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
