Edelbrock VICTOR CNC 11° 6-BOLT Cylinder Heads [PORT VOLUME 263cc | CHAMBER 68cc | SPARK PLUGS Angle | VALVE SIZE IN. 2.165 EX. 1.600 | VALVE SEAT PM | VALVE TRAIN Bare] (GM 6.2L LS3) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS