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Turbosmart GenV UltraGate 38HP High Pressure 35psi External Wastegate – Black


The GenV UltraGate38 HP external wastegate is a Motorsport proven, cost effective external wastegate with base spring pressure options of up to 50psi! Add to that some reference signal manipulation and you have some serious boost! The GenV provides extensive user configurability, world leading extended thermal performance, fatigue resistance and best in class flow performance for optimum control and longevity.


 GenV Wastegate unit
All Springs Included in Box
Wastegate Pre-fitted as Per Description
Mounting Bolts and Nuts
Collar tool (master/slave)
4 x 1/8” NPT plugs (1x installed)
2 x 1/8” NPT nipples
Turbosmart Decal



SKU: TS-0551-1312 Category: Tags: , , , , , ,


The GenV External Wastegate from Turbosmart was a ground up rework of a classic and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate like it.

A direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap and base for easy, 360 degree optional routing of reference hoses, strap-type V-band clamps, optional liquid-cooling provision and 1/8″ NPT reference ports.

Class Leading, Thermal Performance
Class Leading, CFD & Bench Validated Flow Performance
Class Leading Fatigue Resistance
Nitronic 60 Valve Guide & High Temp 347 SS Body
17/7 PH Stainless Steel Springs
Liquid Actuator Cooling Option
Strap Type V-band clamps
35psi Springs, pre-loaded

Size 1/8NPT
What makes this a HP (High Pressure) Gate?
The unique actuator housing is slightly taller than a normal GenV gate and this allows for taller, high pressure spring options. The normal GenV actuator housings have been made as small and low profile as they can be, while still offering base pressure options up to 26psi – High than that and you’ll want a HP version.
What spring options does the GenV HP range have?
You effectively have 5 options; 10psi, 25psi, 35psi, 40psi & 50psi with the use and combination of just 3 springs. And remember, this is just base mechanical spring pressure. Much higher levels of boost can be achieved with some type of boost control or reference manipulation.
Are all the springs in the box?
Almost – While the 10psi & 25psi come pre-fitted in the gate, there is an optional 40psi spring available as an accessory.
How much boost can the GenV HP Gates handle?
How much you got? All setups are different and to answer this question, it’s best to acknowledge how much exhaust back pressure impacts boost control. On an efficient setup, you should be able to achieve between 2 and 3 times the base mechanical spring pressure. However, if you’re really working a turbo, efficiency tends to drop off and back-pressure rises making things a lot harder. It really does come down to your combination.
Do I need to use the Water Cooling?
Not necessarily. The Water cooling feature is there simply as an option. The GenV architecture provides class-leading thermal management so it’s our experience most users will never need it. Its there in case you’re one of the chosen few finding the limits though.
What size are the reference fittings?
Both the boost control reference ports and the (Optional) liquid cooling ports are 1/8NPT. We have a range of AN adapters and high temp push-lock fittings available in the Spates and Accessories Tab.
Can I rotate the top housing?
Yes. The modular design of the GenV Range of External Wastegates means you can rotate the actuator housing 360 degrees, for virtually unlimited hose routing options.

Additional information

Weight 3.1 lbs
Dimensions 7 × 6 × 6 in



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