
UNITED ENGINE MACHINEPART NUMBER: 648-IC788KTD.STD
Chevy 489ci Forged Pistons and Rings Set Hollow Dome Top .210"
$97162
Chevy 489ciDome Top Pistons Use w/6.135'' Connecting Rods
Chevy 489ci Forged Pistons and Rings SetHollow Dome Top .210'' 4.280'' Bore (+.030'') Use w/6.135'' Connecting Rod & 4.250'' Crank Stroke Comp. Ratio: 12.7/96.5cc; 10.6/108cc; 10.2/119cc 8/pkg
Technical Specs:
- Alloy: Premium High Ductility 2618
- Bore: 4.280'
- Crankshaft Stroke: 4.250'
- Connecting Rod Length: 6.135'
- Deck Height: 9.800'
- Compression Height: 1.520'
- Pin Size: 0.990' x 2.750'
- Pin Location: Centered
- Hollow Dome Top: .210' 20cc 1 Valve Relief (Closed Chamber Head)
- Intake Valve Relief: 0.286' Depth / 2.300' Diameter
- Exhaust Valve Relief: N/A
- Top Landing Height: 0.350'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 627/141
- Compression Ratio: 12.7:1 w/96.5cc Heads; 10.6:1 w/108cc Heads; 10.2:1 w/119cc
- Designed for O.E. and Edelbrock style cylinder heads.
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height8.5
Package Width10.0
Package Length18.75
Weight16.24 PG
Part CategoryPerformance Parts
Vendor Part NumberIC788KTD.STD
Package Qty1
Package TypeEA
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