MANLEY PLATINUM SERIES Lightweight Pistons, -11cc Dish [Bore Size 4.165" | Stroke 4.250" | Compression Distance 1.315" | Pin Diameter .927" | 64cc 9.9 | 66cc 9.7 | 70cc 9.4 | 72cc 9.2 | 78cc 8.8 | Piston Wt/Gms 497 | Piston & Pin Wt/Gms 615] (Warhawk & RHS LS) - Click Image to Close