Stilo SA2020 ST5 GT Composite Racing Helmet Silver - XXX-Large- DOT/SNELL 2013-2023 6.7l 24v cummins each fuel injector is tested

each fuel injector is tested for injection timing measurements

Lighting Modes: High Beam/Low Beam

3" mandrel-bent piping improves throttle response

50-inch mandrel-bent stainless tailpipes replacing the factory resonators and giving your truck some growl

The Heavy Duty Upgrade Clutch is ideally suited to trucks with moderate performance power modifications

Stilo SA2020 ST5 GT Composite Racing Helmet Silver - XXX-Large- DOT/SNELL 2013-2023 6.7l 24v cummins each fuel injector is testedStilo has two separate shell sizes for this helmet. This allows us to make a better fitting helmet that is lighter weight. Instead of filling a very large shell with lots of padding for a size small, we have one shell size for x small to medium, and one for large and x large. Snell SA2015 vs 2020 what's changed? The Snell SA2020 testing requirements have changed a small amount and have now become more in line with the FIA 8859 Helmet Standard.