• gives street street/strip race-car builders durable 44mm V-band turbo
  • compact 44mm size easier package around turbo manifolds headers
  • providing external exhaust bypass control many performance turbocharger systems
  • turbo wastegate without using diaphragm architecture found Granatelli water-cooled
  • Ideal for compact turbo setups needing precision and reliability
  • Multiple spring options for customizable boost levels
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Granatelli Motor Sports

Granatelli 44mm Piston-Actuated External Turbo Wastegate with V-Band – 540261

Granatelli 44mm Piston-Actuated External Turbo Wastegate with V-Band – 540261

SKU:'540261

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COMPACT PISTON BOOST CONTROL

PISTON CONTROL WITHOUT THE FOOTPRINT OF A BIG 50 OR 60MM GATE.

The Granatelli 540261 44mm external wastegate combines compact packaging with a piston-actuated boost-control design for custom turbo systems where engine-bay space matters.

It gives street, street/strip and race-car builders a durable 44mm V-band turbo wastegate without using the diaphragm architecture found in Granatelli’s water-cooled wastegate line.

44MM
Compact Valve 		PISTON
Actuation Style 		5 SPRINGS
Boost Tuning

Why This 44mm Turbo Wastegate?

The compact 44mm size is easier to package around turbo manifolds, headers and exhaust plumbing while still providing external exhaust bypass control for many performance turbocharger systems.

Product Specifications

Part Number 540261
Product Type External Turbo Wastegate
Valve Size 44mm
Actuation PISTON-ACTUATED
Top Cap Black Anodized Billet Aluminum
Base Stainless Steel
Mounting V-Band Inlet / Outlet
Included Flanges, Clamps & Five Variable-Rate Springs
DESIGN: This is the 44mm PISTON-ACTUATED Granatelli wastegate. It is not the 44mm water-cooled diaphragm model.

Key Features & Benefits

  • Application-focused Granatelli Motor Sports design
  • Built for dependable performance and service
  • Designed for enthusiasts, professional installers, and performance builds

Fitment & Installation

Confirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.

Frequently Asked Questions

What does a wastegate do?
A wastegate regulates exhaust energy reaching the turbine to help control turbocharger boost pressure.

Will this work on a modified vehicle?
Compatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.

Why Choose Granatelli Motor Sports?

Granatelli Motor Sports develops performance components for real-world street, street/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.