BD Diesel Exhaust Manifold Bolt and Spacer Kit - Dodge 1998.5-2018 5.9L/6.7L Cummins KTM 450 SMR The switch is made of

The switch is made of ABS plastic housing and solid brass nut

FOX Model 981-20-123-3

2 large open wells that go up to the lid

Zerk Fittings: Included for every application

BD Diesel Exhaust Manifold Bolt and Spacer Kit - Dodge 1998.5-2018 5.9L/6.7L Cummins KTM 450 SMR The switch is made ofTypical aftermarket exhaust manifold bolts are much shorter than stock which after numerous heat cycles can cause them to fatigue and start to stretch, leading to exhaust leaks and possible breakage after repeated re torques. The finish and coating on most of these bolts can also lead to premature corrosion and zinc embrittlement. Replace damaged or corroded exhaust manifold bolts with BD's class 10. 9 bolts and black oxide spacers which improve