Power Jet Kit B
Power Jet System (GEN3+) (Optional)
Provides additional fuel compensation, power output, and engine cooling under high-RPM and high-load operation.This optional kit is also intended for specific applications where side adjustment access is limited and upper adjustment access is more convenient.

Clockwise Rotation: Leaner Mixture
Counterclockwise Rotation: Richer Mixture

The installation kit includes the following parts:
G319 — PJ Mid-Section Large O-Ring
G365 — PJ Mid-Section Port Fitting
G366 — PJ Mid-Section Small O-Ring
G367 — PJ Mid-Section Short Blanking Screw
G368 — PJ Mid-Section Sealing Screw
G369A — PJ Fuel Pickup Tube (Large-Orifice)
G370D — PJ Fuel Nozzle(Small-Orifice) - 34/36/38/40
G371A — PJ Short Fuel Hose
G372B — PJ Upper Port Fitting (Large-Orifice)
G373 — PJ Upper O-Ring
G374B — PJ Small Adjusting Needle Valve
G376 — PJ Circuit Sealing Plug
G381 — Fuel Circuit Spring (G375B/G375D)

$60.00

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Description
Manufacturing Standards

All XTNG genuine components are manufactured and quality-controlled under high-standard production systems. We work closely with multiple professional manufacturing facilities certified under ISO9001 and IATF 16949 quality management systems to ensure consistent, reliable, and precision-level manufacturing quality across every component.

From raw material selection to final machining processes, XTNG maintains strict engineering standards throughout the entire production chain. Critical components are manufactured using industry-leading materials, including high-strength aluminum alloys, high-temperature engineering plastics, corrosion-resistant stainless steel, precision brass materials, and premium sealing compounds to ensure long-term durability and stable performance under high vibration, high temperature, and demanding operating environments.

All machined components are produced using high-precision CNC manufacturing processes with strict dimensional tolerance control and optimized surface finishing procedures. Fitment tolerances, surface texture, edge finishing, thread precision, and internal flow-path consistency are all carefully controlled to achieve optimal assembly accuracy, fuel metering stability, and long-term reliability.

Key functional components such as seals, springs, valve assemblies, needle systems, nozzles, and metering components undergo extensive durability testing and multi-environment validation to ensure stable operation under extreme temperatures, prolonged vibration, and high-frequency usage conditions.

XTNG does not view genuine parts as simple replacement components. We consider every original component an essential part of the overall fuel system performance and reliability. For this reason, every genuine XTNG component is carefully selected, tested, and validated to maintain the performance characteristics and long-term quality standards expected from XTNG carburetor systems.