Ducar GX200 196cc Clone Exhaust Stud Bolt - JF168-1515 - Clone/Predator Class

Securing your exhaust manifold against the extreme vibration of high-RPM racing engines is non-negotiable for serious competitors sourcing go karts and parts. The Ducar JF168-1515 Exhaust Stud Bolt is engineered specifically for 196cc and GX200 clone engines, providing the exact clamping force required to prevent gasket blowouts and maintain optimal backpressure. When you are pushing your engine to the absolute limit on the track, exhaust leaks translate directly to lost horsepower and compromised scavenging efficiency.

Precision Torque Parts for Maximum Reliability

Unlike standard hardware store bolts that stretch and fail under thermal cycling, this OEM-spec exhaust stud bolt is manufactured from high-tensile steel alloy. It is designed to withstand the intense heat generated by unrestricted clone engines while maintaining its structural integrity. Whether you are dialing in your chassis with new hubs for wheels, adjusting your racing steering wheel for better apex entry, or fine-tuning your engine package, ensuring your exhaust system is locked down is a critical step in your race prep.

Essential Fastener for Clone Engine Builders

Threaded perfectly for the GX200 and 196cc cylinder heads, the JF168-1515 stud allows for precise torque application without the risk of stripping the aluminum threads in the block. This stud acts as a steadfast anchor, ensuring your exhaust header remains rigidly attached even over aggressive rumble strips. While you might be focused on upgrading to an lo206 carburetor kit or tweaking your ignition timing, never overlook the foundational fasteners that keep your powerplant together.

Technical Specifications & Features

• High-Tensile Steel Construction: Resists stretching and fatigue under extreme thermal cycling and high-frequency engine vibration.
• OEM Thread Pitch: Precision-machined threads guarantee a perfect fit in Ducar, Predator, and Honda GX200 cylinder heads.
• Vibration-Proof Anchoring: Provides consistent clamping force to eliminate exhaust leaks and prevent gasket blowout.
• Optimized Heat Tolerance: Engineered to maintain torque specs even at peak exhaust gas temperatures.
• Direct Replacement Fit: Replaces worn or snapped factory studs seamlessly (MPN: JF168-1515).
• Corrosion Resistant Finish: Treated to withstand track debris, moisture, and high-heat oxidation.
• Protects Aluminum Blocks: Stud design reduces wear on internal cylinder head threads compared to standard bolts.

Frequently Asked Questions

Q: Why should I use a dedicated exhaust stud instead of a standard bolt?

A: Standard bolts can easily strip the aluminum threads in your cylinder head during frequent removal and installation. Using a stud allows you to tighten the nut against the stud, preserving the integrity of your engine block's threads and providing more consistent clamping force.

Q: How do I properly install the JF168-1515 exhaust stud?

A: Ensure the cylinder head threads are clean and free of debris. Thread the stud into the head until it bottoms out—do not overtighten. Once the exhaust header is in place, use a high-quality nut and washer to secure the manifold, applying the manufacturer's recommended torque spec to ensure a leak-free seal.

Q: Will this stud fit my Predator 212cc engine?

A: Yes, the JF168-1515 is designed with OEM-spec thread pitch to fit standard GX200, 196cc, and 212cc clone cylinder heads, making it a perfect replacement for Predator and Ducar engine platforms.

Q: Should I use thread locker on these studs?

A: While not strictly required, a small amount of high-temperature anti-seize on the nut side is recommended to prevent the nut from galling or seizing to the stud due to the extreme heat cycles experienced in racing conditions.

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