Race Proven Performance From Pro Design Racing
High performance products engineered for Honda ATV and motocross applications.
Pro Design Racing Cool Head kit with 61cc and 63cc replaceable combustion chambers.
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High-flow K&N intake kit for all Honda TRX450 models 2006 and newer.
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High-flow foam intake kit for all Honda TRX450 models 2006 and newer.
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Replacement K&N air filter for the Honda TRX450 2006 and newer Pro Flow K&N kit.
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Replacement foam filter set for the Honda TRX450 2006 and newer Pro Flow kit.
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High-flow foam intake kit for Honda TRX450 models 2004-2005.
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High-flow K&N intake kit for Honda TRX450 models 2004-2005.
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Replacement K&N air filter for the Honda TRX450 2004-2005 Pro Flow K&N kit.
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Replacement foam filter for the Honda TRX450 2004-2005 Pro Flow kit.
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High-flow foam intake kit for all years Honda 400EX.
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High-flow K&N intake kit for all years Honda 400EX.
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Replacement K&N air filter for the Honda 400EX Pro Flow K&N kit.
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Replacement foam filter set for the Honda 400EX Pro Flow foam intake kit.
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Race cut-out switch for all single-cylinder ATV applications. Includes tether.
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