UEM Silv-O-Lite Piston - Cast 390 Alloy, 3.8976" Bore, 3.622" Stroke, .943" Pin, 10.5:1 w/ 64.5cc Heads
UMI PERFORMANCE
3499HC UEM Silv-O-Lite Piston - Cast 390 Alloy, 3.8976" Bore, 3.622" Stroke, .943" Pin, 10.5:1 w/ 64.5cc Heads
**For Use with 97-06 GM LS1 LS6 Vehicles**
Cast Flat Top Hypereutectic Pistons, Coated Side Skirts, 3.8976" Bore, 3.622" Stroke, .943" Pin, 10.5:1 w/ 64.5cc Heads
***For Use with 6.089" Connecting Rods and 3.622" Crankshaft Stroke***
Product Specifications | |||
| Sold As | Sold as a set of 8 | ||
|---|---|---|---|
| Engine Manufacturer | GM | ||
| Engine Family | Chevy Small Block Gen III/IV (LS-Based Engines) | ||
| VIN Code | S | ||
| OE Assembly | 89017581 | ||
| Eng. Disp Liters | 5.7 | ||
| Eng. Disp. In. | 346 | ||
| Piston Head Type | Flat | ||
| Compression Ratio | 10.5 | ||
| Top Land | .200 | ||
| Pin Type | Floating | ||
| Piston Pin Outside Diameter MM | 23.95 | ||
| Comp Ht. (mm) | 33.8 | ||
| Pin Number | 0943x223A | ||
| Oil Ring Thickness MM | 3.0000 | ||
| Top Compression Ring Thickness MM | 1.5 | ||
| Bore Diameter MM | 99 | ||
| Year Range | 2004-2006 | ||
| Second Compression Ring Thickness MM | 1.5 | ||
| Bore Diameter IN | 3.8976 | ||
| Piston Pin Outside Diameter IN | .943 | ||
| Compression Height IN | 1.33 | ||
| Compression Height MM | 33.8 | ||
| Oversized | No | ||
| Base Number | 3499HC | ||
| Year To | 2006 | ||
| Oversizes | STD .25mm .5mm .75mm 1.0mm | ||
| Ring Pack | 1.5mm, 1.5mm, 3.0mm Shallow Oil Groove | ||
| Crown Type | FLAT TOP | ||
| Oversize | STD | ||
| Lock | SRW-012 | ||
| Make for Engine Family |
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