A 38mm two-bolt wastegate buyer should compare the flange style, actuator features, and included installation hardware before choosing a part. The PSR black and silver models are the closest matches for a complete 38mm, two-bolt external wastegate. The Hoypeyfiy model is a 38mm alternative for TiAL MVS-style applications, while the adapter and gasket are supporting parts rather than complete wastegates.
| Product | Best Suited For | Product Type |
|---|---|---|
| PSR Turbo Black | Buyers seeking an adjustable 38mm two-bolt wastegate | Wastegate |
| PSR Turbo Silver | Buyers seeking similar features in a silver finish | Wastegate |
| Hoypeyfiy 38mm | TiAL MVS-style application shoppers | Wastegate |
| Torque Solution Adapter | Connecting specified two-bolt and V-band styles | Adapter |
| Stainless Steel Gaskets | Replacing a 35mm or 38mm two-bolt gasket | Gasket set |
PSR Turbo Black 38mm Two-Bolt Wastegate
This PSR Turbo external wastegate is a direct match for shoppers searching for a 38mm, two-bolt unit. Its listed features include a user-adjustable actuator position and a high-temperature silicone Nomex-reinforced diaphragm. Stainless steel is used for the seat, valve bushing, housing, and flanges.
Best for: Buyers who want an adjustable actuator position and stainless steel components specified across several wastegate parts. It was selected because its listing explicitly identifies both 38mm sizing and a two-bolt configuration.
Consider: The product details do not specify a spring pressure or included installation hardware. Confirm those details and the flange dimensions for your setup before ordering.
PSR Turbo Silver 38mm Two-Bolt Wastegate
The silver PSR model shares the listed core features of the black version: user-adjustable actuator position, a high-temperature silicone Nomex-reinforced diaphragm, and stainless steel seat, valve bushing, housing, and flanges. The product name identifies it as a 38mm, two-bolt external wastegate.
Best for: Buyers who want the PSR feature set in a silver finish. It is a close comparison to the black model, so choose based on the listed finish and verify any other differences with the seller.
Consider: The provided details do not state spring pressure, included clamps, or other installation contents. Check that the wastegate’s dimensions and pressure setup suit your turbo system.
Hoypeyfiy 38mm MVS-Style Wastegate
This 38mm external wastegate is described as compatible with TiAL MVS or MV-S-style applications. Its listing specifies V-band clamps and flanges and dual springs rated at 8 PSI and 14 PSI. The body is described as ductile cast iron, with metal construction using steel and aluminum.
Best for: Buyers looking for a listed TiAL MVS-style alternative with stated spring options and V-band hardware. It is useful to compare with the PSR units when the application calls for this style of connection.
Consider: It is not identified as a two-bolt wastegate. Avoid assuming it directly fits a two-bolt flange; check your connection type and application requirements first.
Torque Solution Two-Bolt To V-Band Adapter
This Torque Solution adapter is described as a universal 38mm two-bolt to 38mm V-band MVS wastegate adapter. It is an interface component, not a complete wastegate, so it may be relevant when comparing connection styles in a turbo setup.
Best for: Buyers whose installation specifically requires the listed two-bolt-to-V-band conversion. It was selected because its stated sizes and connection types are directly relevant to 38mm two-bolt searches.
Consider: The supplied product information does not include material, dimensions, or hardware details. Verify the mating flange and clearance before choosing it.
Stainless Steel 35mm And 38mm Wastegate Gaskets
This listing is for a two-pack of stainless steel replacement gaskets, not a wastegate. The stated fit is for 35mm and 38mm-style two-bolt wastegates, and the listing describes the gaskets as rated to 1000HP.
Best for: Buyers replacing gaskets on a compatible two-bolt 35mm or 38mm wastegate. It is included because sealing hardware can be part of a wastegate purchase or maintenance comparison.
Consider: Confirm the gasket’s shape and bolt pattern against the flange. The product is a gasket set and does not include a wastegate.
Buying Guide: Choosing A 38mm Two-Bolt Wastegate
Does the product use a two-bolt flange?
Check the connection style before comparing materials or appearance. The PSR products are explicitly described as 38mm two-bolt wastegates. The Hoypeyfiy listing instead describes V-band clamps and flanges for TiAL MVS-style applications. An adapter may help with a specified connection change, but verify its fit with both mating parts.
What actuator and spring details matter?
Actuator position adjustment is listed for both PSR models. Hoypeyfiy lists dual springs at 8 PSI and 14 PSI. These details are not interchangeable: check your intended boost-control setup and confirm the required pressure configuration rather than inferring it from the wastegate’s 38mm size.
Which materials and included parts should you compare?
The PSR listings specify stainless steel parts and a reinforced diaphragm. Hoypeyfiy describes a ductile cast iron valve body and lists V-band hardware. Product details vary, so review what is included instead of assuming clamps, flanges, or gaskets come with every wastegate.
When should you buy an adapter or gasket?
Choose an adapter only when its two connection styles match the parts being joined. Select a replacement gasket by checking its size and bolt pattern against the flange. Neither an adapter nor a gasket replaces the complete wastegate.
Frequently Asked Questions
What does 38mm mean in a wastegate listing?
It identifies the listed wastegate size. It does not, by itself, confirm flange style, fitment, or spring pressure.
Which listed products are explicitly two-bolt wastegates?
The PSR Turbo black and silver models are both identified as 38mm two-bolt external wastegates.
Is the Hoypeyfiy wastegate a direct two-bolt replacement?
The supplied details describe it as a TiAL MVS-style product with V-band hardware, not as a two-bolt unit. Confirm fitment before purchase.
Does the stainless steel product include a wastegate?
No. It is a two-pack of replacement gaskets for listed 35mm and 38mm-style two-bolt wastegates.
What should I verify before ordering?
Check the flange pattern, connection type, required spring pressure, included hardware, and physical dimensions against your turbo setup.