MANLEY PLATINUM SERIES Extreme Duty Pistons, -11cc DISH [Bore Size 3.681" | Rod Length 6.657" | Stroke 4.165" | Comp Distance 1.220" | Piston Wt/Gm 395] (2013-2014 Mustang Shelby GT500)

2618 high strength material lightweight design
1.2mm offset wrist pin design for quiet start-ups. Mimics OEM design
Round wire locks
Perfect ring groove to skirt squareness
Pressure balance groove
1.5, 1.5, 3.0mm ring package
2.500" x .150" wall Premium Chrome Moly pin (Standard Series) included
9310 alloy .180” wall pin (Extreme Duty Series) included P/N 42507
Full banded skirt design for increased skirt stability

The root diameter of the ring grooves accommodates Manley rings and others which have the following radial thickness Top: .150" 2nd: .156" Oil: .150"