SILV-O-LITE
More Information for SILV-O-LITE 1489H
{Alternate Inventory Numbers: 1489H020, 1489H030, 1489H040, 1489H060, 1489HSTD, S1489H020, S1489H030, S1489H040, S1489H060, S1489HSTD}
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SILV-O-LITE 1489H  
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  • 0.020" Oversize (Out of Stock)
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SILV-O-LITE 1489H Specifications
Bore Diameter (IN)4
Bore Diameter (MM)101.6
Compression Height (In)1.54
Compression Height (mm)39.1
Compression Ratio9.5, 10.2
Crown (cc)+7cc
Crown TypeFlat Top
Engine FamilyChevy Small Block Gen II (LT-based engines)
Engine ManufacturerChevrolet
Oil Ring Thickness (mm)4.0000
Pin ConfigurationOffset
Pin Number0927x300A
Pin TypePress
Piston Head TypeFlat
Piston MaterialCast 390 Hypereutectic Alloy
Piston Pin Outside Diameter (In).927
Piston Pin Outside Diameter (mm)23.5
Second Compression Ring Thickness (mm)1.5
Top Compression Ring Thickness (mm)2.0000
Top Land.250
Vin CodeP
Hypereutectic; Flat Top 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: 10128452, 10128454, 10159436, 10159437, 10159438, 10168607, 12528828, 12528829, 12528830

SILV-O-LITE Warranty Information:
12 Months