Helical Technology High Performance Exhaust Valves for Custom Applications Style:60mm ID - Vacuum Valve Removable cushions and grippy inserts

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

and top‑tier Snell SA2020 certification—built for karting

dyno-testing

The all new oil and water resistant rubber sole offers increased grip through an asymmetric car-tire inspired tread design

5mm CNC mandrel bent one piece Left and Right side over axle pipes and clamps

Helical Technology High Performance Exhaust Valves for Custom Applications Style:60mm ID - Vacuum Valve Removable cushions and grippy insertsHelical 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