Davis Unified Ignition LiveWires Spark Plug Wire Set Spiral Core 10 mm Black - 90 Degree Plug Boots DX2165K 842" bore Chevrolet Big Blocks

842" bore Chevrolet Big Blocks are the strongest and most durable bronze bushed solid roller lifter available

Float Style Probe

DO NOT USE END SEALS GASKETS

1989-1991 GMC Tracker

Davis Unified Ignition LiveWires Spark Plug Wire Set Spiral Core 10 mm Black - 90 Degree Plug Boots DX2165K 842" bore Chevrolet Big BlocksLiveWires Plug Wires Chevrolet Small Block V8 Black Fits HEI DUI Distributors Under Headers 90 Degree Plug Boots Numbered for Each Cylinder Coil Wire Not Included Davis Unified Ignition engineers and distributes the most advanced line of high performance and racing ignition systems, being the most technologically advanced manufacturer in the performance industry. Our pioneering line of H. E. I. Distributors, D. U. I. (Davis Unified Ignition), is