Stage 2 Turbo Cam V2 2003-gmc-sierra-1500-hd-esi3219287 50 Center Thread - 1/2

50 Center Thread - 1/2 in NPT Female Inlet - 1/2 in NPT Female Outlet - Aluminum - Black Anodized - Each

57 in Stud - 5/8-18 in Thread - Hardware Included - Steel Cap - Black Oxide - Each

Mud Cover Ring - Round Style - 3 Bolt-On Fasteners - Steel - 15 in Wheels - Mud Cover Kit - Each

As with all BBK Performance exhaust headers they feature a 3/8" laser cut header flange for additional strength and a guaranteed leak free fit

75 in Tall - 4 oz - 1/4 in NPT Female Inlet - Breather Included - Aluminum - Natural - 1-1/2 in Tubes - Each

Stage 2 Turbo Cam V2 2003-gmc-sierra-1500-hd-esi3219287 50 Center Thread - 1/2Camshaft Stage 2 Turbo V2 Hydraulic Roller Lift 0. 618 0. 618 in Intake Duration 220 113 LSA GM LS Series Each