IC9987CKTS ICON Forged Piston Set - 4032 Alloy, 3.78" Bore, 4.000" Stroke, .927" Pin, 10.7:1 w/ 64.5cc Heads

For use with 1999-2013 5.3L LM7, L59, LM4, L33 GM Truck and SUV engines

Flat Top Pistons w/ FORGED Head Relief, Ultrawear M42 Skirt Coating, 4032 Alloy, .927" Wrist Pin Dia., 4.00" Stroke, 10.7:1 Compression ratio w/ 65.4cc Heads

***For Use w/ 6.125" Connecting Rods, and 4.000" Crankshaft Stroke***

Product Specifications
Sold As	KIT W/RINGS
Engine Manufacturer	GM
Engine Family	Chevy Small Block Gen III/IV (LS Based Engines)
Eng. Disp Liters	5.9
Eng. Disp. In.	359
Crown (cc)	+2.9cc
Top Land	.265
Pin Type	Press or Floating
Compression Height IN	1.115
Bore Diameter MM	96.0
Oversized	No
Crown Type	FLAT TOP 2V
OE Deck Height	9.240
Base Number	IC9987C
Stroke (mm)	101.6
Piston Material	Forged 4032 Alloy
Stroke (in)	4.000
Ring Pack	1.5mm, 1.5mm, 3.0mm
Bore Diameter IN	3.78
Oversizes	STD .005 .010 .020 .030 .040
Exhaust Valve Depth/Diameter	.149/1.750
Intake Valve Depth/Diameter	.190/2.186
Rod (mm)	155.600
Pin Configuration	Offset
Alloy	4032
Pin Diameter (mm)	23.5
Rod (in)	6.125
Pin Diameter (in)	.927
Pin Number	.9270x2.250x.180C-SCR415H