Manley Platinum Series Lightweight Pistons, 18cc Spherical Dish [Bore Size 3.700" | Rod Length 5.850" | Stroke 3.750" | Compression Distance 1.200" | 42cc 10.75 | 51cc 9.61 | 52cc 9.50 | Piston Wt/Gms 421 | Piston & Pin Wt/Gms 509] (FORD 4.6L & 5.4L) - Click Image to Close