JB4 Replacement Enclosure, Case, or Cover Style:Scratched and Blemished Billet JB4 Enclosure and Mexico are North American

and Mexico are North American Spec

This option is for those customers that will be using a boost referenced switch to trigger the secondary on their Stage 3 pump

Simply remove the 1/8" NPT fitting and add one of our optional port injection lines

The hoses exceed the OEM PCV piping in diameter and that flow rate is maintained throughout the entire oil catch can ensuring no excessive crankcase pressure buildup

and reattach it to the vehicle with the supplied extended bolts

JB4 Replacement Enclosure, Case, or Cover Style:Scratched and Blemished Billet JB4 Enclosure and Mexico are North AmericanProtect your JB4 or BMS Stage 1 tuner with the right enclosure for your application. Choose from our premium CNC machined billet aluminum enclosure for maximum durability, our weatherproof plastic enclosure for F and G chassis applications, or the high temperature plastic enclosure designed specifically for E chassis BMW models, all engineered to keep your tuner protected from heat, moisture, dirt, and everyday abuse. JB4 Billet Enclosure: Rugged,