KTM 390 PORTED HEAD WITH STAGE 2 HIGHLIFT CAMSHAFT OEM/ORIGINAL BY NMW

$345.00

1 x NMW Racing Ported Cylinder Head (OEM Base)
- Pre-assembled with Intake & Exhaust Valves
- Precision CNC Ported Intake & Exhaust Channels
1 x Stage 2 High-Lift Intake Camshaft
1 x Stage 2 High-Lift Exhaust Camshaft
1 x Camshaft Bridge / Holder Assembly

Optimized Flow Dynamics: The intake and exhaust ports have been reshaped and smoothed to reduce turbulence, increasing air velocity and volume into the combustion chamber.
Stage 2 Cam Profile: Custom lobe geometry designed to extend valve opening time (duration) and depth (lift), shifting the power band higher for massive top-end gains without sacrificing idle stability.
OEM Reliability: built on a factory KTM casting, ensuring all oil passages, mounting points, and cooling jackets align perfectly with your stock engine block.
Enhanced Throttle Response: The combination of better flow and aggressive cam timing results in a sharper, more immediate reaction to throttle inputs.
Dyno Proven: Developed to produce measurable gains in HP and Torque when paired with a proper ECU tune and free-flow exhaust.

Installation & Setup Notes
- Tuning Required: A piggyback ECU or a standalone ECU remap is highly recommended to adjust fueling for the increased airflow.
- Professional Installation: Due to the precision required for valve timing and clearance checks, professional installation is advised.
- Valve Clearance: standard valve clearances must be checked and adjusted after installation.

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