3520HC UEM Silv-O-Lite Piston - Cast 390 Alloy, 3.780" Bore, 3.622" Stroke, .9429" Pin, 9.45:1 w/ 64.5cc Head

**For Use with 99-09 GM LS4 LM4 L33 LH8 LH6 LMG LY5 5.3L Truck and SUV engines**

Cast Flat Top Hypereutectic Pistons w/ Coated Skirts, 3.780" Bore, 3.622" Stroke, .9429" Pin, 9.45:1 w/ 64.5cc Heads

***For Use w/ 6.098" Connecting Rod and 3.622" Crankshaft Stroke***

Product Specifications
Sold As	Sold as a set of 8
Engine Manufacturer	Chevrolet
Engine Family	Chevy Small Block Gen III/IV (LS-Based Engines)
VIN Code	V, C, K, B, M, J, 0, 3, C
OE Assembly	89017577
Eng. Disp Liters	5.3
Eng. Disp. In.	325
Piston Head Type	Flat
Compression Ratio	9.45, 9.9
Top Land	.216
Pin Type	Floating
Pin Number	0943x223A
Compression Height MM	33.6
Compression Height IN	1.323
Bore Diameter MM	96
Piston Pin Outside Diameter MM	23.95
Bore Diameter IN	3.78
Piston Pin Outside Diameter IN	.943
Second Compression Ring Thickness MM	1.5
Oil Ring Thickness MM	3.0000
Top Compression Ring Thickness MM	1.5
Lock	SRW-012
Year From	1999
Base Number	3520HC
Piston Material	Cast 390 Hypereutectic Alloy
Comp Ht. (mm)	33.6
Crown Type	FLAT TOP
Oversize	STD
Year To	2009
Year Range	1999-2009
Pin Configuration	Offset
Oversizes	STD .25mm .5mm .75mm 1.0mm
Make for Engine Family	General Motors
Oversized	No
Comp. Ht. (in)	1.323
Ring Pack	1.5mm, 1.5mm, 3.0mm Shallow Oil Groove