Helical Technology High Performance Exhaust Valves for Custom Applications Style:60mm ID - Vacuum Valve multi-purpose helmet with a wider

multi-purpose helmet with a wider field of vision that is perfect for eye-glass wearers

helping the RW-9 undershirt disappear underneath your driving suit

but with a stylish Boot-cut pant leg

Removable cushions and grippy inserts enable a personalized fit—ideal for endurance racers

Helical Technology High Performance Exhaust Valves for Custom Applications Style:60mm ID - Vacuum Valve multi-purpose helmet with a widerHelical Technology is the UK's foremost producer of high specification engine control systems supplied to many of the world's leading vehicle makers, manufacturing valves of the highest quality for some of the most technically advanced and difficult applications. Helical Valves are the standard for high performance OEM applications ranging from Ferrari and Porsche to Lamborghini, McLaren and more see the full list below. They offer a proven OEM