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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB193.040-1
Chevy 350ci Hypereutectic Pistons D-Cup 18cc 2V
$9925
Ships on 09/09/2026
Lowest Price GuaranteeChevy 350ciDish Top Pistons Use w/5.700'' Connecting Rods
Chevy 350ci Hypereutectic PistonD-Cup 12cc 2V 4.040'' Bore (+.040) Use w/5.700'' Connecting Rod & 3.480'' Crank Stroke Comp. Ratio: 10.3/58cc; 9.8/62cc; 9.6/64cc; 8.5/76cc 1/pkg
Technical Specs:
- Alloy: Hypereutectic 390
- Bore: 4.040'
- Crankshaft Stroke: 3.480'
- Connecting Rod Length: 5.700'
- Deck Height: 9.025'
- Compression Height: 1.561"
- Pin Size: 0.9272'
- Pin Location: Centered
- Flat Top: -12cc 2 Symmetrical Valve Reliefs
- Intake Valve Relief: 0.280' Depth / 2.168' Diameter
- Exhaust Valve Relief: 0.280' Depth / 2.168' Diameter
- Top Landing Height: 0.275'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Gram Weight: 551/145
- Compression Ratio: 10.3:1 w/58cc Heads; 9.8:1 w/62cc Heads; 9.6:1 w/64cc; 8.5:1 w/76cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height4.5
Package Width4.5
Package Length4.8
Weight1.35 PG
Part CategoryPerformance Parts
Vendor Part NumberSKB193.040
Package Qty1
Package TypeEA
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