Helical Technology High Performance Exhaust Valves for Custom Applications
- In stock, ready to ship
- Backordered, shipping soon
Helical 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 validated design with optional additional features. The actuator and valve designs are based on Helical's extensive experience in high-volume automotive applications. Standard features are the robust pneumatic actuator, flat sealing faces inside the valve, stiffening ribs and high temperature bearings at both ends of the butterfly spindle.
When purchasing exhaust cutout valves for your vehicle application, buying cheaper knock-off valves does Not payoff - They will fail!
NOTE:
- Optional Valve Controller Kit available above. Includes 2 Remotes with electronics, Vacuum lines and all connectors for a DIY Installation.
- Electronically actuated valves are available for BMW, Porsche, Mercedes, and other Manufactures for plug-and-play operation with your factory valve controller. Please call 215-646-4945 to inquire about specific fitment.
- This is an individual Valve; Welding Required
SPECIFICATIONS:
- Made in England under ISO 9001 Compliance - More Quality Standard Details below
- Standard on OEM High Performance Vehicles like Porsche, Ferrari, Lamborghini and more - Full list below
- Many sizes available, please call 215-646-4945 to inquire about available sizes
- Engineered for value and reliability from the ground-up
- Appointed by the Queen of England as the standard for High Performance Applications
- Choose between open and closed, or variable depending on vehicle application
- Robust pneumatic actuator design
- High temperature bearings at both ends of butterfly spindle
- Flat sealing faces
- Investment cast stainless steel bracket body and Titanium valve body with stiffening ribs
- Optional Heatshield models to protect actuator
- Far fewer components to eliminate possible issues and failures
- 100% control of valve position
- Tuneable NVH characteristics
- Controllable back-pressure
- Increased reliability
CUSTOMERS INCLUDE AUTOMOTIVE OEM MANUFACTURES SUCH AS:
- Porsche (GT3 and PSE Valved exhaust options)
- Bentley
- Jaguar Land Rover
- McLaren
- Aston Martin
- Ford
- Ferrari (488, F12 and more)
- Lamborghini
- RenaultSport
RELIABILITY:
Validation tests include gas-stand endurance, hot and cold ambient temperature endurance, vibration and salt-spray.
QUALITY STANDARDS:
BS EN ISO 9001
IOS TS 16949
BS EN ISO 14001

Processing Time: Orders are typically processed within 1–2 business days. Custom or special-order items may take longer—lead times will be noted in the product description if applicable.
Shipping Methods: We ship via USPS, UPS, and FedEx depending on item size, weight, and destination.
Order Tracking: Once your order ships, you’ll receive a confirmation email with tracking information.
Shipping Restrictions: We currently ship within the U.S. Oversized or freight items may require additional handling time and incur additional charges.
Signature Requirements: Some high-value orders may require a signature upon delivery for added security.
Need Help? If you have questions about shipping before placing your order, contact us or give us a call at (239) 992‑0437.