ARP Valve Cover Fastener - 6 mm Male Thread - 2.755" Long - 12 Point Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - (Set of 8) Floor Jack Dirt Wing Want full control of air

Want full control of air speed

If used with headers the front tube must turn down enough to allow access to the bolt hole in front of the second pipe

which includes side ports

755 in Long

1/4-3/8 in Grip Range

ARP Valve Cover Fastener - 6 mm Male Thread - 2.755" Long - 12 Point Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - (Set of 8) Floor Jack Dirt Wing Want full control of airProduct Description: Valve Cover Fastener Bolt 6 mm Male Thread 2. 755 in Long 12 Point Head Washers Included Chromoly Black Oxide GM LS Series Set of 8 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.