SILV-O-LITE
More Information for SILV-O-LITE 1642H
{Alternate Inventory Numbers: 1642H10MM, 1642H15MM, 1642H25MM, 1642H5MM, 1642H75MM, 1642HSTD, S1642H10MM, S1642H15MM, S1642H25MM, S1642H5MM, S1642H75MM, S1642HSTD }
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SILV-O-LITE 1642H  
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  • 0.25MM Oversize (Out of Stock)
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SILV-O-LITE 1642H Specifications
Bore Diameter (IN)3.622
Bore Diameter (MM)92
Compression Height (In)1.24
Compression Height (mm)31.5
Compression Ratio9.1
Crown (cc)+11.8cc
Crown TypeDish
Engine FamilyGM L4
Engine ManufacturerOldsmobile
Lock62A
Oil Ring Thickness (mm)3.0000
Pin ConfigurationOffset
Pin Number0866x211A
Pin TypeFloating
Piston Head TypeDish
Piston MaterialCast 390 Hypereutectic Alloy
Piston Pin Outside Diameter (In).866
Piston Pin Outside Diameter (mm)22.0
Second Compression Ring Thickness (mm)1.5
Top Compression Ring Thickness (mm)1.5
Top Land.237
Vin CodeA, D, G, 3
Hypereutectic; 2.876" Diameter Recess .136" Deep With 4 Valve Reliefs

For 100 years Silv-o-lite has produced high quality OE replacement pistons for engine rebuilding. Every manufacturing process is done in house, including alloying the aluminum, casting, heat treating, diamond machining, and a full array of anodizing and coatings for the piston crowns, ring grooves, and skirts.


Additional Resources

General Installation Instructions
OEM / Interchange Numbers: 22545567, 24573576

SILV-O-LITE Warranty Information:
12 Months