Snow Performance Stage 2 Boost Cooler Chevy/GMC Duramax Diesel Water Injection KitLower EGTs 100 300 degrees and increase HP by 65+ with a cleaner, cooler running Chevy GMC LBZ LLY LMM LML L5P Diesel Duramax! The Snow Performance Diesel Stage 2 Boost Cooler is available for all Duramax owners looking to have the benefit of water methanol injection through out the Duramax's boost range. The Stage 2 utilizes a progressive VC 50 controller (52mm gauge) that commands two water methanol nozzles that proportionally inject more or less

Rod Bolt Nut Style:12-point

Lightweight check valve disc maintains added control at all engine speeds & loads

5 Gallon Tank

3L 2008 2016 GMC Envoy 5

2L V8 Hellcat applications

Assembly balanced and assembled in house at our state-of-the-art facility with spec sheet supplied

but makes the power of much larger cams

GM CAR 302/4

Use S39148 rings

0mm ring groove

290" Single Spring

and it's produced by the same source as the OEM units