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	General Motors
Pin Configuration	Offset
Comp. Ht. (in)	1.33
Piston Material	Cast 390 Hypereutectic Alloy
Year From	2004