SILV-O-LITE
More Information for SILV-O-LITE 3221
{Alternate Inventory Numbers: 322110MM, 32215MM, 322175MM, 3221STD, S322110MM, S32215MM, S322175MM, S3221STD}
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SILV-O-LITE 3221  
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SILV-O-LITE 3221 Specifications
Bore Diameter (IN)3.4055
Bore Diameter (MM)86.5
Compression Height (In)1.36
Compression Height (mm)34.5
Compression Ratio9.5
Crown TypeDish
Engine FamilyMitsubishi 4-Cylinder
Engine ManufacturerMitsubishi
Oil Ring Thickness (mm)2.8
Pin ConfigurationOffset
Pin Number0866x215A
Pin TypePress
Piston Head TypeDish
Piston MaterialCast 332 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)1.2
Top Land.248
Vin CodeG
3.100" Diameter Recess .160" Deep

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: MD144901, MD148156, MD148157, MD148158, MD148159, MD188114, MD188115, MD188116, MD188997, MD188998, MD188999, MD194521, MD194522, MD194523, MD194524, MD197808, MD197814, MD301733, MD301734, MD301735, MD301736, MD301741, MD301742, MD301743, MD301744, MD303070, MD303071, MD303072, MD307958, MD307963, MD307964, MD307965, MD307966, MD307972, MD307977, MD307978, MD307979, MD307980, MD314825, MD314827, MD314828, MD320305, MD320306, MD320441, MD347951, MD347952, MD347953

SILV-O-LITE Warranty Information:
12 Months