JGS400 40mm Wastegate Assembly 35-38mm type Inlet/Outlet Flanges
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JGS PRECISION TURBOPART NUMBER: 548-TK188-FLG

JGS400 40mm Wastegate Assembly 35-38mm type Inlet/Outlet Flanges

$28700
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

JGS400 Series Wastegates
  • Snap-Ring Actuator Retainer
    • JGS400 40mm Wastegate Assembly
    • 35-38mm type Inlet/Outlet Flanges
    • Includes Mild Steel Weld-On Flanges

      Includes:
    • Low Pressure Spring, 6-7 psi (est.)
    • Medium Pressure Spring, 8-10 psi (est.)
    • 1/4' Barbed Hose Fittings
    • Stainless Steel Exhaust Gaskets
    • Four Shims

    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.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    The JGS400 Series Wastegates are a very compact unit that's excellent for low clearance applications and capable of handling 750+WHP. The legendary JGS geometry has been the cure for boost creep in many large displacement engine applications. Built to survive over 1 million full cycles at boost pressures of 40+ psi. Constructed of a 300-series stainless steel cast body housing with a T6 billet aluminum actuator housing covered in a hard anodized black finish. All JGS wastegates are engineered, tested, machined, and assembled in the USA!

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    Features:

    • Compact Size for Complex Installations
    • Cast 300-series Stainless Steel Body
    • T6 Billet Aluminum Actuator Construction
    • Anti-Creep Geometry
    • Silicone O-Ring Piston Actuator, for Long Life and Easy Service
    • Nickel Aluminum Bronze Valve Guide
    • Floating Valve Seat
    • 1/8'' NPT Side Pressure Ports
    • Actuator with V-Band Clamp Retainer Allows Quick and Easy Spring Pressure Changes
    Part TypeTurbocharger Wastegate
    Product LineJGS Precision JGS400 Series 40mm Wastegates
    BrandJGS PRECISION TURBO
    Package Height4.3
    Package Width4.4
    Package Length7.8
    Weight3.17 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part NumberTK188-FLG
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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