MANLEY PLATINUM SERIES Lightweight Pistons, 11cc Dish [Bore Size 3.552 | Rod Length 5.933/6.657 | Stroke 3.543/4.165 | Compression Distance 1.220 | 42cc 10.53 | 51cc 9.29 | 52cc 9.18 | Piston Wt/Gms 350 | Piston & Pin Wt/Gms 456] (FORD 4.6L & 5.4L) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS