MANLEY PLATINUM SERIES Standard Pistons, -29cc DISH [Bore Size 4.135" | Rod Length 6.125" | Stroke 4.000" | Comp Distance 1.115" | Pin Diam .927" | Piston Wt/Gms 436 | Valve Pocket Depth Int./Exh. .175" Trough] (GM LS & L92)

2618 high strength material lightweight design
Offset wrist pin design
Machined for reluctor wheel clearance
Round wire locks
1.5, 1.5, 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 .210" wall (3.905"-4.080" bores) and P/N 42528 2.500" x .210" wall (4.125"-4.185" bores)