7/16-20 X 3/4 Mag Lug Nuts 10 Pack 2009-gmc-sierra-3500-hd-esi8015183 All BBK exhaust headers are

All BBK exhaust headers are available in a titanium ceramic or polished silver ceramic coated finish and include new exhaust header gaskets

Check Valve - 6 AN Male Inlet - 6 AN Female O-Ring Outlet - Aluminum - Black Anodized - Each

70 Ratio - OEM / Long Slot - Steel - Big Block Chevy - Set of 16

Fitting - Adapter - Straight - 6 AN Female Swivel to 6 AN Female Swivel - Aluminum - Black Anodized - Each

Crank Adapter Sleeve - GM Converter to GM LS-Series Crank - Steel - Black Oxide - Set of 20

7/16-20 X 3/4 Mag Lug Nuts 10 Pack 2009-gmc-sierra-3500-hd-esi8015183 All BBK exhaust headers areLug Nut 7 16 20 in Thread 13 16 in Hex Head 3 4 in Shank Seat Closed End Steel Chrome Set of 10