Product Detail

Piston Moresa brand

No. Parte: #683NH 040
Piston for engine with specifications and materials of E.O. quality
GM L6 4.1L (250) OHV 12 Val. 1967-89, Chevelle, Malibu, Landau, Chevy Nova
SKU: #683NH 040
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Engine Piston
Description Value
Piston Outside Diameter (mm)99.374
Ring MaterialIron
Top Compression Ring Thickness (in)0.08
Second Compression Ring Thickness (in)0.08
Oil Ring Thickness (in)0.188
Piston Pin Outside Diameter (in)0.927
Piston Pin Length (in)3
Piston Pin MaterialSteel
Piston Pin Incorporated BearingsNo
OversizedYes
Piston Head TypeDish
Assembly Lubricant IncludedNo
Piston MaterialAluminium alloy
Piston Outside Diameter (in)3.912
Meets or Exceeds Original Equipment Manufacture SpecificationsYes
Grade TypeRegular
Skirt TypeFull
Piston Pmm Outside Diameter (mm)23.55
Top Compression Rmmg Thickness (mm)2
Second Compression Rmmg Thickness (mm)2
PositionN/A
Cylinder Diameter (mm)99.43
Cylinder Diameter (in)3.914
Piston Pmm Length (mm)76.2
Compression Height (mm)41.66
Compression Height (in)1.64
Bowl Depth or Crown Height (mm)-2.16
Bowl Depth or Crown Height (in)-0.085
Bowl Diameter (mm)75.18
Bowl Diameter (in)2.96
Piston Pin AssemblyFixed Pin
Oil Rmmg Thickness (mm)4.78
NoteOversize .040in




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