TiAL Sport MV-R 44mm V-Band External Wastegate with Clamps - Red

TiAL Sport MVR 44mm V-Band External Wastegate - Complete Spring Set - Red

TiALSport SKU: TLS002951
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The TiAL Sport MVR is an external wastegate with a 44mm valve flowing up to 50 lb/min and V-band inlet and outlet flanges for flexible fitment. Its spring range covers 0.3 to 1.5 bar, and this unit ships with the complete MVR spring set so the spring pack can be matched to the boost target. The stainless steel and aluminum body uses a coated valve stem, a Nomex-reinforced silicone diaphragm, M10 signal ports on both diaphragm chambers and M8 coolant passages to keep diaphragm temperature regulated. This unit has a red actuator and is designed and manufactured in the USA.

Specifications

Type External wastegate
Series MVR
Valve Size 44mm
Flanges V-band inlet and outlet
Flange Interchange V-band flanges compatible with the TiAL V44 wastegate
Pressure Range 0.3 to 1.5 bar
Springs Complete MVR spring set
Color Red actuator
Mass Flow 50 lb/min (30 psi exhaust pressure, 1800°F)
Material Stainless steel and aluminum, coated valve stem, CNC-machined aluminum actuator housing, Nomex-reinforced silicone diaphragm
Ports M10 signal ports on both diaphragm chambers; M8 coolant passages
What's in the Box
  • Wastegate assembly
  • Valve seat
  • Air fitting set
  • Coolant fitting set
  • Inlet and outlet flanges and clamps
  • Springs
Quantity 1
Warranty 24 months
Part Number 002951

Documents: Product Drawing (PDF) | Spring Chart (PDF) | Wastegate FAQ (PDF) | Bench Testing Instructions (PDF) | Routing Options (PDF) | Flow Chart

What comes in the box?

  • The wastegate assembly, valve seat, air fitting set, coolant fitting set, V-band inlet and outlet flanges with clamps, and the springs.

How do the springs set boost?

  • The resulting pressure is the sum of the individual springs installed, and springs of different outside diameter can be combined; the spring chart lists each spring's rating. Choose the lowest boost you want, since an external controller can only raise boost above the spring pack.

Do I need to connect the coolant ports?

  • Connecting the water cooling ports is recommended because it can significantly increase wastegate lifespan.

Should the wastegate be tested before installation?

  • Yes. Testing is recommended before installation and after each spring change, using regulated shop air on the lower actuator port only, never above 2 bar. The valve should crack open near the spring pack rating and lift fully as pressure rises.

What warranty does it carry?

  • TiAL Sport covers its products for 24 months from the date of purchase against defects in workmanship or components. Mishandling, abuse or faulty installation void the coverage, and the warranty is not transferable.

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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