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UNITED ENGINE MACHINEPART NUMBER: 648-IC778.040
ICON Premium Forged Big Block Chevy 454ci Piston Set 4.290" Bore
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy 454ciDome Top Pistons Use w/6.385'' Connecting Rods
- Big Block Chevy 454ci Forged Pistons
- Hollow Dome 2V
- 4.250" Bore (+.040)
- 6.385" Connecting Rod
- 4.000" Crank Stroke
- -18cc Head Volume
- Closed Chamber Design
- Comp. Ratio: 11.7/96.5cc; 9.9/115cc; 9.5/119cc
- 8/pkg
Technical Specs: - Alloy: Premium High Ductility 2618
- Bore: 4.290"
- Crankshaft Stroke: 4.000"
- Connecting Rod Length: 6.385"
- Deck Height: 9.800'
- Compression Height: 1.395'
- Pin Size: 0.990' x 2.750"
- Pin Location: Centered
- Effective Head Volume: -18cc
- Intake Valve Relief: 0.285' Depth / 2.300' Diameter
- Exhaust Valve Relief: 0.000" Depth / 0.000" Diameter
- Top Landing Height: 0.222'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 591/141
- Compression Ratio: 11.7:1 w/96.5cc Heads; 9.9:1 w/115cc Heads; 9.5w/119cc
Part TypePiston
BrandUNITED ENGINE MACHINE
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC778.040
Package Qty1
Package TypeEA
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