MANLEY PLATINUM SERIES Extreme Duty Pistons, 1.75cc DOME [Bore Size 4.090" | Over Size STD | Rod Length 6.200" | Stroke 3.724" | Comp Distance 1.210" | Piston Wt/Gms 430] (CHRYSLER 6.4L HEMI)

Forged 2618 high strength material lightweight design
Offset wrist pin design
Round wire locks
1.5, 1.5, 3mm ring package
Other features include forced pin oiling and pressure balance groove
2.300" x .150" wall Premium Chrome Moly pin (Standard Series) included
9310 alloy .170" wall pin (Extreme Duty Series) included P/N 42542

These pistons are designed for connecting rods with .927" diameter floating wrist pins

STOCK STROKE 1.75cc DOME

The root diameter of the ring grooves accommodates Manley rings and others which have the following radial thickness Top: .150" 2nd: .170" Oil: .145"

Compression ratios are calculated at .012" deck clearance, a 4.090" head gasket ID with a .027" compressed thickness and a 72cc combustion chamber