84mm Stroke   Professionally turned

Wisefab's geometry design minimizes it as much as possible

For proper filtration

This FCST-X is preassembled with 1 Walbro GSS342 lift pump and 3 Walbro GSS342 surge tank pumps

5150 AutoSport Block Fire Ringing Service, 8-Cylinder BMW Engines Performance 84mm Stroke Professionally turned5150 AutoSport Engine Block Fire Ring Installation Service for 6 Cylinder BMW Engines Fire ringing an engine block, especially for high performance, high boost turbo applications, offers several mechanical advantages. These advantages are primarily related to improving the engine's ability to handle high combustion pressures and temperatures. Price includes degrease and wash, CNC machining, block resurfacing, and custom fire ring hoops. Here are the