Manley Platinum Series Lightweight Pistons, -6.5cc Dish [Bore Size 3.552 | Rod Length 5.933 | Stroke 3.543 | Compression Distance 1.220 | 51cc 9.86 | Piston Wt/Gms 352 | Piston & Pin Wt/Gms 440] (FORD 4.6L 3V) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS