Manley Platinum Series Lightweight Pistons, 28cc Dish [Bore Size 3.552 | Rod Length 5.850 | Stroke 3.750 | Compression Distance 1.200 | 42cc 8.87 | 51cc 8.05 | 52cc 7.97 | Piston Wt/Gms 341 | Piston & Pin Wt/Gms 429] (FORD 4.6L 2V & 4V) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS