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Vehicle Info NeededJGS400/400R Wastegate O-Ring Kit (2) 223 O-Rings
Ships on 09/21/2026
Lowest Price Guarantee- JGS400/400R Wastegate O-Ring Kit
- (2) 223 O-Rings
- (1) 134 O-Ring
Note: This O-ring kit only fits piston type TK188.
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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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
