Granatelli 540260 Features:

• True 60 mm valve diameter for maximum exhaust flow
• Piston-actuated system for precise and stable boost control
• Black anodized billet aluminum cap for strength and sleek style
• Durable stainless-steel base with natural finish
• Includes V-Band inlet/outlet flanges and clamps
• Included five variable-rate springs for fine tuning of desired boost levels

UltimateBoost Control Solution:

Engineered for turbocharged applications that demand power,consistency, and reliability, this wastegate is the go-to choice for dragracing, performance street cars, and diesel builds. When boost control mattersmost, Granatelli delivers.

Engineered for Serious Performance and The Ultimate Boost Control Solution:

Engineered for Serious Performance. Turbocharged applications that demand power, consistency and reliability. TheGranatelli Piston Style wastegate is the Go-To choice for drag racing,performance street driving and even bad boy diesel builds.  When it comesto perfect boost control, Granatelli delivers.  The included V-Bandflanges and clamps for both the inlet and outlet make installation straightforward.  The supplied Five Spring Kit allows you to fine tune yourboost settings right out of the box.  These various-sized springs can becombined for the desired boost pressures.

Piston-Actuated Advantage:

Unlike diaphragm-style units, the piston-actuated design provides tighterboost regulation and longer service life in the most extreme conditions.The black anodized billet aluminum top cap resists corrosion, whilethe stainless-steel base with naturalfinish withstands high heat and pressure.

Simple Installation & Adjustability:

Installation is straightforward with the included V-Bandinlet and outlet flanges with clamps. The supplied Five Spring Kit allows you to fine tune your boostsettings right out of the box.  These various-sized springs can be combinedfor the desired boost pressures.

Each unit includes Five Springs: One 4.2 psi spring (installed inside)(30 mm dia. X 64 mm), and one 4.1 psi spring (installed inside) (40 mm dia. X 64 mm)for a combined factory setting of 8.3 psi. An additional three springs areincluded, Black is 4.7 psi (30 mm dia. X 64 mm), Yellow is 6.7 (40 mm dia. X 64 mm)and Red is 12.7 (40 mm dia. X 64 mm) Customers can combine for the springpressure they want.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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