Granatelli 540261 44mm External Wastegate Piston Actuated 5-Spring V-Band For Sale - New and Used

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- AUTHENTICPART

Part Brand: Granatelli Motor Sports

Part Number: 540261

Vehicle Fitment

• Universal — for turbocharged applications demanding precise boost control (drag racing, street performance, diesel builds); not vehicle-specific

Fitment Notes

• V-band connections — confirm your exhaust/wastegate plumbing uses matching V-band flanges
• Sold individually
• Piston-actuated design does not require water-cooling plumbing, unlike Granatelli's diaphragm wastegate line

Features

• Piston-actuated design offers tighter boost regulation and longer service life than diaphragm-style units, especially under extreme conditions
• Included five-spring kit lets you combine springs to dial in a wide range of boost pressures right out of the box
• V-band inlet and outlet flanges with clamps included for straightforward installation
• Black anodized billet aluminum top cap resists corrosion
• Stainless steel base (natural finish) withstands high heat and pressure

Specifications

• Type: Mechanical, External, Piston Actuated
• Wastegate Diameter: 44mm
• Top Cap Material: Black Anodized Billet Aluminum
• Base Material: Stainless Steel, Natural Finish
• Connection: V-Band
• Weight: 4 lbs

Included Components

• 1x 44mm External Wastegate, Piston Actuated
• Five-Spring Kit
• V-Band Inlet/Outlet Flanges and Clamps

Product Description

Granatelli's piston-actuated wastegate trades the diaphragm design's simplicity for tighter boost regulation and a longer service life under repeated hard use — a common upgrade path for drag racing, high-power street builds, and diesel setups where consistent boost control matters most.

The included five-spring kit means you're not locked into one boost target: combine springs to dial in the pressure your combination needs without ordering separate parts. V-band flanges and clamps make installation straightforward, and the black anodized top cap paired with a stainless steel base is built to handle sustained heat and pressure cycling.

*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.

· · · SHIPPING · · ·

• Free shipping across the contiguous 48 United States (excludes Hawaii and Alaska). Item(s) ships on the same day or within 1 business day. Delivery time is within 2 to 4 business days excluding next day deliveries. Orders over $750 require signature for delivery.
• Canada customers - If does not collect import & duty fees during checkout, the shipping carrier will collect them prior to delivery.

· · · RETURNS · · ·

• Your complete shopping satisfaction is our #1 priority. If an item you ordered from us does not meet your expectations, please contact us within 30 days of receiving the item(s). If your order arrives damaged from shipping please contact us and we will provide a prepaid return label to send back for a replacement or refund.

• Returned items must be in the original packaging (including plastic wrapped items) and in brand new condition.
• Any returns received installed, mounted, used or missing components will be subject to return fee's.

· · · PAYMENTS · · ·

• We accept all payment methods through 's payment system
• PayPal, and all major credit cards/debit cards are accepted.

· · · response · · ·

• Customer satisfaction is a top priority for us. If you have any issues with your order, please let us know. We will make every effort to resolve any problems and ensure you are satisfied.

· · · CONTACT US · · ·

• We appreciate your business. If you have any questions, please message us through and we will respond within 24 hours on weekdays. Feel free to browse our store for other available items. Thank you again for choosing to shop with us!

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