High-precision Keihin-style replacement components, flow-calibrated for accurate fuel metering. Not original Keihin parts.
Active filters
Flow-calibrated Keihin-style carburetor orifices; aftermarket replacements sold individually to consumers and in multi-packs to dealers.
Precision Keihin-style main jets — high-quality replacements, not original Keihin jets; dealer packs and individual consumer sales.
High-precision brass main jets for accurate fuel flow. Replacement for Keihin-style carburetors. Sold to dealers in multi-packs; consumers buy individually.
High-precision replacement main jets, flow-calibrated for accurate fuel delivery. Not original Keihin parts. See packaging options.
High-precision brass Keihin-style main jets; high-quality replacements, sold to dealers in packs and individually to consumers.
High-precision main jets for Keihin-style carburetors. High-quality replacements; not original Keihin parts. Sold to dealers in trade packs and to consumers individually.
Precision Keihin-style main jets, flow-calibrated for accurate fuel delivery. High-quality replacements; not original Keihin parts. Sold to dealers in 4-packs; sold to consumers individually.
Assortment kit of flow-calibrated main jets for precise carburetor tuning and diagnostics.
Precision main jets for Mikuni and Keihin carburetors, flow-calibrated for accurate fuel tuning.
- Prevents diagnostic trouble codes when installing aftermarket filters and exhaust
- Enables air/fuel ratio changes for racing applications
- Made in the USA
- For off-road racing use only
High-precision, flow-calibrated pilot jets that improve idle and low-throttle fuel delivery. Fits RS, HS and HSR carburetors.
Complete plug-in kit for quickly auto-tuning front and rear fuel curves with dual-channel wide-band oxygen sensor interface. Includes sensors, bungs, cables, PC Link software and tuning guide. Race use; professional installation required. Does not support VVT.
Auto-tune EFI control module kit with dual-channel wide-band interface, sensors, PC Link software, and installation/tuning guide. Race use; professional installation required.