3540HCA UEM Silv-O-Lite Piston - Cast 390 Alloy, 4.065" Bore, 3.622" Stroke, .943" Pin, 11.5:1 w/ 64.5cc Heads

**For use with GM L86 L87 LT2 Vehicles**

Cast Dome w/ Canted Valves Hypereutectic Pistons, Hard Anodized Top Ring with Coated Side Skirts, 4.065" Bore, 3.622" Stroke, .943" Pin, 11.5:1 w/ 64.5cc Heads

**For Use w/ 6.089" Connecting Rods and 3.622" Crankshaft Stroke**

Product Specifications
Sold As	Sold as a set of 8
Engine Manufacturer	GM
Engine Family	LT1 HO Direct Injection
OE Assembly	12658743 / 81314A FMA S2N
Eng. Disp Liters	6.2
Eng. Disp. In.	376
Piston Head Type	Dome
Compression Ratio	11.5:1
Top Land	.245
Pin Type	Floating
Crown Type	DOME
Compression Height MM	33.4
Compression Height IN	1.314
Oil Ring Thickness MM	2.5
Piston Pin Outside Diameter MM	23.95
Bore Diameter MM	103.25
Second Compression Ring Thickness MM	1.5
Bore Diameter IN	4.065
Top Compression Ring Thickness MM	1.2
Piston Pin Outside Diameter IN	.943
Base Number	3540HCA
Oversizes	STD, .25mm, .50mm, .75mm
Stroke (mm)	92
Comp. Ht. (in)	1.314
Ring Pack	1.2mm, 1.5mm, 2.5mm
Piston Material	Cast 390 Hypereutectic Alloy
Pin Configuration	Centered
Make for Engine Family	General Motors
Stroke (in)	3.622
Lock	SRW-028
Comp Ht. (mm)	33.4
Model	Corvette
Oversize	STD
Oversized	No
Pin Number	0943x223A