SPE Motorsport Big-D -4 Nitrous Jets Size:.023 It is a true bolt-on

It is a true bolt-on upgrade that takes only basic hand tools

It cleans up the engine bay

As these trucks see higher coolant temps

Factory Connection Points: Designed to fit seamlessly into the factory system without modification

2011- 2019 Ford F350 (including cab & chassis)*

SPE Motorsport Big-D -4 Nitrous Jets Size:.023 It is a true bolt-onSPE Big D 4 Nitrous Jet Uncork more performance with the Big D Nitrous Jets, designed for enthusiasts who need extreme amounts of dry nitrous flow. These work with our SPE Big D 4 nozzles. These jets are machined from 304 Stainless steel, not brass or steel like other options on the market. This makes removal and overall longevity superior to other jets. Sizes are lasered on the jets for quick referencing. Available Jet Sizes : . 023 . 030 . 039 . 055