LS1/LS6 Xtreme RPM High Hyd. Roller Cam XR265HR Nitrous System Water Header - Two 3/4

Water Header - Two 3/4 in NPT Inlets - One 1/2 in NPT Outlet - Aluminum - Natural - Small Block Chevy - Each

number D-550-15

Oil Restrictors - Allen Head - Aluminum - Black Anodized - Flush Lifter Galley Boss - Chevy V8 - Pair

Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Windage Tray - Big Block Ford - Kit

5-8 psi - 3/8 in NPT Female Inlet / Outlet - Aluminum - Natural - Gas - Small Block Chevy - Each

LS1/LS6 Xtreme RPM High Hyd. Roller Cam XR265HR Nitrous System Water Header - Two 3/4Camshaft XFI RPM Hi Lift Hydraulic Roller Lift 0. 558 0. 563 in Duration 265 271 115 LSA 1400 6700 RPM GM LS Series Each