Billet LS Valve Covers Machined by QMP With or Without O-ring:1. With O-ring If you need to work

If you need to work with a bore outside that size range send us an email we make different sizes

Old stock see photos

and rod length

NGK racing plugs feature special electrode materials—precious metals like platinum

NGK Laser Iridium spark plugs provide superior ignitability and long service life

Billet LS Valve Covers Machined by QMP With or Without O-ring:1. With O-ring If you need to workBillet LS Valve Covers Machined by QMP For LS engines using any rocker system including Jesel and T & D rocker systems. Includes 2 16AN female ports, one on each cover's front side. NOTE: Choose which option fits your build Option 1: with O ring Option 2: without O ring, for use with head surfaces that already O ringed Ships with bolts included. $20 shipping to anywhere in the USA.