DIAMOND Racing STREET/STRIP DISH Pistons [Bore 4.065 | Stroke 3.622 | Rod 6.125 | C.D. 1.304 | Pin .927 x 2.500 | CC's 12.3 | Weight 461 | 62cc 9.8 | 70cc 9.1 | 76cc 8.6] (GM 6.2L L92 & LS3) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS