DIAMOND Racing B58 FLAT TOP Pistons [Bore 82.0mm | Stroke 94.6mm | Rod 5.834 | C.D. 1.305 | Weight XXX | Pin .866 x 2.250 | CC's -8.4 | Factory CC 11.0] (BMW B58 3.0L I6) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS