MANLEY PLATINUM SERIES Lightweight Pistons, -24cc DISH [Bore Size 4.060 | Rod Length 6.125 | Stroke 4.050 | Compression Distance 1.085 | Pin Diameter .927 | 74cc 9.01 | Pistons Wt/Gms 381 | Piston & Pin Wt/Gms 491] (CHRYSLER 6.1L HEMI) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS