Not Included in Delivery
The following components are not included:
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270–390cc engine – NGK BPR6ES spark plug
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270–390cc engine – Rocker arm repair kit
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270–390cc engine – Push rod guide plate
Only the items listed in the product description are included. Other components shown in product images are for illustration purposes only and are not part of the offer.
390cc Tuning Cylinder Head with Keyed Valves – More Power and Reliability for Your Kart Engine
This high-quality tuning cylinder head is specially designed for 390cc kart engines, delivering noticeably increased power, enhanced durability, and improved performance. Featuring a higher compression ratio and robust keyed valves, this cylinder head is perfect for rental kart operations, hobby racing, and serious tuners.
Technical Advantages:
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Compatible with Honda GX390, DM 390cc, and many equivalent clone engines
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Increased compression for greater torque and faster acceleration
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Keyed valves reduce the risk of valve breakage and engine damage
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Improved throttle response for more direct power delivery
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Brand new, tested, and ready to install
Ideal for:
Kart track operators, tuning enthusiasts, and recreational racers looking to get more power and reliability from their 390cc engines.