MANLEY PLATINUM SERIES Extreme Duty Pistons, -12cc DISH [Bore Size 4.065" | Over Size STD | Rod Length 6.125" | Stroke 3.622" | Comp Distance 1.304" | Comp Ratio 10.5 | Piston Wt/Gms 469] (GM LT1 & LT4)

2618 high strength material; Lightweight design
Offset wrist pin design
Machined for reluctor wheel clearance
Round wire locks
1.2, 1.2, 3mm ring package
Forced pin oiling, pressure balance groove and precision pin fitting
Premium Chrome Moly wrist pins (Standard Series) included
9310 alloy pin (Extreme Duty Series) included: P/N 42542 2.300" x .170" wall (4.065"-4.080" bores) and P/N 42528 2.500" x .180" wall (4.125"-4.130" bores)

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

STOCK STROKE -12cc DISH

Compression are calculated at 0.00" deck clearance, a 9.240" deck height, with a 60cc combustion chamber, and a .051" thick compressed head gasket