Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC718L.030-1
Chevy 383ci Forged Piston Flat Top
$17504
Ships on 09/10/2026
Lowest Price GuaranteeChevy 383ciFlat Top Pistons Use w/6.000'' Connecting Rods Use with Chevy 350ci Block and 400ci Crankshaft
- Chevy 383ci Forged Piston
- Flat Top
- 4.030'' Bore (+.030'')
- Use w/6.000'' Connecting Rod & 3.750'' Crank Stroke
- Comp. Ratio: 12.0/58cc; 11.1/64cc; 9.8/76cc
- Single Left Hand Piston
Technical Specs: - Alloy: Premium High Ductility 2618
- Bore: 4.030'
- Crankshaft Stroke: 3.750'
- Connecting Rod Length: 6.000'
- Deck Height: 9.025'
- Compression Height: 1.133'
- Pin Size: 0.927' x 2.750'
- Pin Location: Centered
- Flat Top: -4.9cc 2 Symmetrical Valve Reliefs
- Intake Valve Relief: 0.264' Depth / 2.200' Diameter
- Exhaust Valve Relief: 0.264' Depth / 1.880' Diameter
- Top Landing Height: 0.222'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 410/132
- Compression Ratio: 12.0:1 w/58cc Heads; 11.1:1 w/64cc Heads; 9.8:1 w/76cc
- Use with 350ci block and 400ci crankshaft. This is a stroked 350ci chevy combination.
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height6.0
Package Width6.0
Package Length6.0
Weight3.25 PG
Part CategoryPerformance Parts
Vendor Part NumberSIC718L.030
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
