Crankshaft Sensor Plug & Bolt Kit Billet Aluminum - Vortec 4.3 V6 V8 SBC LT1

Accurately CNC Machined out of a solid billet 6061 aluminum extrusion. We chose a top of its class Viton Fluoroelastomer O-ring and M6-1x16 hex flange bolt to secure it to prevent leaks. This will fit small-block Chevy (SBC) Plastic Vortec timing cover LT1 / LT4 timing covers and Vortec Big Block Chevy (BBC) timing covers. Not for use with the 2007-newer Vortec engines.