Helical Technology High Performance Exhaust Valves for Custom Applications Style:60mm ID - Vacuum Valve and GTS pump engine noise

and GTS pump engine noise into the cabin using a device called a sound symposer

but with a stylish Boot-cut pant leg

Introducing a fresh new look to the original budget priced racing jacket

and top‑tier Snell SA2020 certification—built for karting

Direct upgrade/replacement for OEM LDZ turbo resulting in significant power gains and quicker spool                                                                           FEATURES: Fits all Porsche 911 Turbo 930 vehicles (1976-1989) Peak power on a completely stock 1986 911 Turbo is 251hp and 280ft/lbs of torque Peak power on a K27/1 BAR-equipped 1986 911 Turbo improves to 315hp and 358 ft/lbs of torque (with over 300 ft-lbs of torque available at 3800 RPM) Turbo Intake Size: 2

Helical Technology High Performance Exhaust Valves for Custom Applications Style:60mm ID - Vacuum Valve and GTS pump engine noiseHelical 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