Manley Platinum Series Lightweight Pistons, 9.3cc Dome [Bore Size 3.937/100mm | Rod Length 6.240 | Stroke 3.579/90.9mm | Compression Distance 1.220 | Pin Diameter .927 | 85cc 9.72 | 65cc 12.53 | 74.5cc 11 | Piston Wt/Gms 435 | Piston & Pin Wt/Gms 530] (CHRYSLER 5.7L HEMI) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS