2003-2009 Cummins 5.9L/6.7L 2 1/16" Mechanical Boost Gauge 0-100 PSI (8506)Mechanical boost gauges have become the staple in boost pressure monitoring for all types of engines, gasoline, diesel, or otherwise. Ultra precise bourdon tube meter movement ensures accuracy and durability not seen anywhere else in the industry. A simple 1 8 NPT pressure connection requires no electrical hookup for operation. Includes 1 8 NPT fittings and nylon line kit.

longer filter life

Randy's built Triple Disc or optional Quad Disc Billet Converter

3 Powerstroke engine's performance with the KC300x Stage 3 66/73 Gen 2 Turbo

2006-2010 Duramax LBZ/LMM Dualoy Piston & Ring Kit (7210DKT)

Minimize Backpressure The secret to getting more out of your diesel engine is to give it lots of cool

Oxidation Inhibition

Superior Seal under high boost and extreme pressures

the factory air cleaner outlet tube is trimmed after the flexible coupler where it starts to downsize

improves reliability

1988-1998 Cummins 5

Remove the restrictive OEM downpipe and replace it with MBRP's GM8425 3" Downpipe

055″ valve face depth with a standard gasket