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Precision reamer for valve guides designed for KPMI® manganese bronze and cast iron.
Do not use a reamer on bronze after it has been used on cast iron.
Complete ThunderMax ECM kit with integral auto-tune, wide-band sensors, harness, software and USB cable for easy install and continuous closed-loop tuning.
Modular helmet with drop-down sun visor, removable anti-fog face shield, and micrometric chin strap.
Modular helmet with drop-down sun visor, removable moisture-wicking liner, and enhanced ventilation.
Plug-and-play ThunderMax ECM kit with integral auto-tune, downloadable maps, live datalogging and easy installation. Made in the USA.
- Complete plug‑in control module kit with wide‑band oxygen sensors and harness.
- Hundreds of downloadable maps; integral self‑tuning adjusts air/fuel in real time.
- Live datalogging and diagnostics; adjustable ignition and startup maps.
Compact adapter for secure hose and connector joins; easy to install and maintain.
Lightweight anodized hose end engineered for universal hoses; precision-machined and sold individually.
Complete engine control module kit with integral auto-tuning and wide-band sensors for easy installation and tuning.
Increases clutch capacity, smoother shifts, multiple spring pressures, includes hub, pressure plate, plates and springs; fits stock type basket.
Bolt-on clutch assembly with 100% more surface area and a new inner hub for improved engagement.
Modular helmet with drop-down sun visor, removable moisture-wicking liner and cheek pads, scratch-resistant polycarbonate face shield, adjustable vents with rear exhaust, ear pockets for speakers, includes smoke and clear shields.
Modular helmet with removable moisture-wicking liner and cheek pads, scratch-resistant face shield, drop-down sun visor, vented design, ear pockets for speakers, includes smoke and clear shields.
Self-tuning engine control kit with downloadable maps, live datalogging, closed-loop wide-band tuning and simple plug-in installation — improves throttle response and driveability.
Modular design with fully removable, moisture-wicking liner and cheek pads.
Scratch-resistant face shield, drop-down sun visor, and multiple vents for airflow.
Includes tinted and clear shields; ear pockets for speakers.