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Twin Air Twin Air Foam Air Filter 301362

$37.99 Boyesen Power Reeds 18367 Dennis Kirk Part #: 18367 Boyesen Power Reeds 18367: Manufacturer part # 626 - Improves throttle response and fuel economy, enhances acceleration and top-end speed. Revolutionary dual-stage reeds outperform and outlast any stock reed.. 626 1 on Hand More Info/Options for Boyesen Power Reeds 18367

$24.99 UNI Two Stage Competition Air Filter 30770 Dennis Kirk Part #: 30770 UNI Two Stage Competition Air Filter 30770: Manufacturer part # NU-2338ST - Uni-Filters two-stage foam design provides superior filtration while allowing maximum air-flow. Ultra-Seal filters have a unique "grease groove" that allows effective application of sealing grease to tightly bond the filter to the surface of the air box. The choice of Kawasaki, Suzuki, and Yamaha motocross teams.. NU-2338ST 2 on Hand More Info/Options for UNI Two Stage Competition Air Filter 30770

$66.99 Boyesen RL Pro Series Reeds Rad Valves 182688 Dennis Kirk Part #: 182688 Boyesen RL Pro Series Reeds Rad Valves 182688: Manufacturer part # PSR001 - To determine if you have an RL or RR Rad Valve, look for a stamp RL in the casting; the RR Rad Valve does not have a stamp. PSR001 2 on Hand More Info/Options for Boyesen RL Pro Series Reeds Rad Valves 182688

$27.99 Twin Air Twin Air Foam Air Filter 304011 Dennis Kirk Part #: 304011 Twin Air Twin Air Foam Air Filter 304011: Manufacturer part # 152613 - Twin-Air dual-stage filters are used by factory race teams and leading riders around the world. Dual-bonded foam design removes even microscopic dirt particles, yet allows more air flow than regular two separate layer filters (flow bench tested). Flat foam sealing ring maintains a secure seal to the airbox, even in the worst riding conditions. Twin Air filters run slightly smaller than stock, making them easier to change and increasing the dead air space around the filter for better performance.. 152613 1 on Hand More Info/Options for Twin Air Twin Air Foam Air Filter 304011

$66.99 Boyesen RL Pro Series Reeds Rad Valves 181779 Dennis Kirk Part #: 181779 Boyesen RL Pro Series Reeds Rad Valves 181779: Manufacturer part # PSR166 - To determine if you have an RL or RR Rad Valve, look for a stamp RL in the casting; the RR Rad Valve does not have a stamp. PSR166 1 on Hand More Info/Options for Boyesen RL Pro Series Reeds Rad Valves 181779

$54.99 K & N Factory-Style Washable/High Flow Air Filter 304025 Dennis Kirk Part #: 304025 K & N Factory-Style Washable/High Flow Air Filter 304025: Manufacturer part # PL-5003 - Non-restricting and free-flowing. Minimal service required. Unaffected by moisture. , NOTE: All K&N air filters must be treated with K&N filter oil prior to installation. PL-5003 3 on Hand More Info/Options for K & N Factory-Style Washable/High Flow Air Filter 304025

$19.99 UNI Two Stage Pod Filter 30707 Dennis Kirk Part #: 30707 UNI Two Stage Pod Filter 30707: Manufacturer part # UP6275AST - Two-stage design offers maximum flow and filtration.. UP6275AST 2 on Hand More Info/Options for UNI Two Stage Pod Filter 30707

$21.99 UNI Two Stage Competition Filter 301416 Dennis Kirk Part #: 301416 UNI Two Stage Competition Filter 301416: Manufacturer part # NU-3232ST - Uni-Filters two-stage foam design provides superior filtration while allowing maximum airflow. Ultra-Seal filters have a unique grease groove that allows effective application of sealing grease to tightly bond the filter to the surface of the air box.. NU-3232ST 6 on Hand More Info/Options for UNI Two Stage Competition Filter 301416

$27.99 Twin Air Foam Air Filter 301133 Dennis Kirk Part #: 301133 Twin Air Foam Air Filter 301133: Manufacturer part # 150101 - Twin-Air dual-stage filters are used by factory race teams and leading riders around the world. Dual-bonded foam design removes even microscopic dirt particles, yet allows more air flow than regular "two separate layer" filters (flow bench tested). Flat foam sealing ring maintains a secure seal to the airbox, even in the worst riding conditions. Twin Air filters run slightly smaller than stock, making them easier to change and increasing the dead air space around the filter for better performance.. 150101 2 on Hand More Info/Options for Twin Air Foam Air Filter 301133

$37.99 Boyesen Power Reeds 180938 Dennis Kirk Part #: 180938 Boyesen Power Reeds 180938: Manufacturer part # 690 - Improves throttle response and fuel economy, enhances acceleration and top-end speed. Revolutionary dual-stage reeds outperform and outlast any stock reed. Sold as Pairs.. 690 2 on Hand More Info/Options for Boyesen Power Reeds 180938

$58.99 Boyesen Super Stock Carbon Reeds 181738 Dennis Kirk Part #: 181738 Boyesen Super Stock Carbon Reeds 181738: Manufacturer part # SSC013 - Single-stage carbon replacement reeds. Improves performance - matched to exacting OEM specifications. Costs less and lasts longer than other stock or carbon reeds on the market.. SSC013 1 on Hand More Info/Options for Boyesen Super Stock Carbon Reeds 181738

CLOSEOUT! Was: $37.99 Now: $25.99 Pro Circuit Backfire Screen Eliminator Kit 431838 Dennis Kirk Part #: 431838 Pro Circuit Backfire Screen Eliminator Kit 431838: Manufacturer part # PC40120000 - The wire screen inside a 4-strokes air filter cage is non-conducive to producing horsepower. In the good ole days, riders cut the wire screen out of the cage to get maximum airflow to the top end, but this kit does all the work for you.. PC40120000 1 on Hand More Info/Options for Pro Circuit Backfire Screen Eliminator Kit 431838

$26.99 UNI Two Stage Competition Air Filter 30791 Dennis Kirk Part #: 30791 UNI Two Stage Competition Air Filter 30791: Manufacturer part # NU-2247ST - Uni-Filters two-stage foam design provides superior filtration while allowing maximum air-flow. Ultra-Seal filters have a unique "grease groove" that allows effective application of sealing grease to tightly bond the filter to the surface of the air box. The choice of Kawasaki, Suzuki, and Yamaha motocross teams.. NU-2247ST 2 on Hand More Info/Options for UNI Two Stage Competition Air Filter 30791

$39.99 Boyesen Super Stock Fiber Reeds 181796 Dennis Kirk Part #: 181796 Boyesen Super Stock Fiber Reeds 181796: Manufacturer part # SSF013 - Single-stage fiber replacement reeds. Improves performance - matched to exacting OEM specifications. Costs less and lasts longer than other stock or carbon reeds on the market.. SSF013 2 on Hand More Info/Options for Boyesen Super Stock Fiber Reeds 181796

$37.99 Boyesen Power Reeds 181631 Dennis Kirk Part #: 181631 Boyesen Power Reeds 181631: Manufacturer part # 695 - Improves throttle response and fuel economy, enhances acceleration and top-end speed. Revolutionary dual-stage reeds outperform and outlast any stock reed.. 695 2 on Hand More Info/Options for Boyesen Power Reeds 181631

$24.99 UNI Two Stage Competition Filter 303021 Dennis Kirk Part #: 303021 UNI Two Stage Competition Filter 303021: Manufacturer part # NU-4115ST - Uni-Filters two-stage foam design provides superior filtration while allowing maximum airflow. Ultra-Seal filters have a unique grease groove that allows effective application of sealing grease to tightly bond the filter to the surface of the air box.. NU-4115ST 3 on Hand More Info/Options for UNI Two Stage Competition Filter 303021

$17.99 UNI Two Stage Pod Filter 30701 Dennis Kirk Part #: 30701 UNI Two Stage Pod Filter 30701: Manufacturer part # UP4152AST - Two-stage design offers maximum flow and filtration.. UP4152AST 5 on Hand More Info/Options for UNI Two Stage Pod Filter 30701

$21.95 Moose Air Filter 303961 Dennis Kirk Part #: 303961 Moose Air Filter 303961: Manufacturer part # 22006 - Constructed of exclusive 0.65 two-layer bonded foam made in Europe. Dual-bonded construction provides maximum protection and air flow. Oversized design provides maximum surface area for maximum filtration and air flow. Neoprene Super Seal sealing ring provides an air-tight seal. Made in the U.S.A... 22006 2 on Hand More Info/Options for Moose Air Filter 303961

$21.99 UNI Two Stage Competition Filter 30750 Dennis Kirk Part #: 30750 UNI Two Stage Competition Filter 30750: Manufacturer part # NU-2442ST - Uni-Filters two-stage foam design provides superior filtration while allowing maximum airflow. Ultra-Seal filters have a unique grease groove that allows effective application of sealing grease to tightly bond the filter to the surface of the air box.. NU-2442ST 1 on Hand More Info/Options for UNI Two Stage Competition Filter 30750

$84.99 K & N Factory-Style Washable/High-Flow Air Filter 304685 Dennis Kirk Part #: 304685 K & N Factory-Style Washable/High-Flow Air Filter 304685: Manufacturer part # HA-4503 - Non-restricting and free-flowing. Minimal service required. Unaffected by moisture. Designed to fit factory airboxes. OEM style factory replacement elements. Ideal for extended us in dirty and dusty off-road conditions.. HA-4503 7 on Hand More Info/Options for K & N Factory-Style Washable/High-Flow Air Filter 304685

$18.95 Moose ATV Air Filter 301807 Dennis Kirk Part #: 301807 Moose ATV Air Filter 301807: Manufacturer part # 38012 - Constructed of exclusive 0.65 two-layer bonded foam made in Europe. Dual bonded construction provides maximum protection and airflow. Oversized design provides maximum surface area for maximum filtration and airflow. Wide sealing ring provides an air-tight seal. Made in the U.S.A... 38012 Expected Soon More Info/Options for Moose ATV Air Filter 301807

$15.99 PC Racing Pro Seal 303392 Dennis Kirk Part #: 303392 PC Racing Pro Seal 303392: Manufacturer part # PC3 - No more hassle and mess of air filter grease. Neoprene gasket bonds to air filter rim inside bikes air box. Specially formulated adhesives are not affected by gas and oil.. PC3 4 on Hand More Info/Options for PC Racing Pro Seal 303392

$170.99 Boyesen Rad Valve 18840 Dennis Kirk Part #: 18840 Boyesen Rad Valve 18840: Manufacturer part # RAD24B - Now delivered with carbon fiber reeds for even greater performance gains. Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports. Sharper, quicker throttle response. Added torque improves performance on hills, through corners and over technical jumps. Increases horsepower in low-, middle- and especially the top-end ranges. One-piece aluminum casting, no trimming or plastic inserts required.. RAD24B 2 on Hand More Info/Options for Boyesen Rad Valve 18840

$39.99 Boyesen RL Power Reeds for Rad Valves 180196 Dennis Kirk Part #: 180196 Boyesen RL Power Reeds for Rad Valves 180196: Manufacturer part # RL10 - NOTE: Direct replacement reeds for Rad Valves To determine if you have a RL or RR Rad Valve, look for a stamp RL in the casting; the RR Rad Valve does not have a stamp .. RL10 1 on Hand More Info/Options for Boyesen RL Power Reeds for Rad Valves 180196

$43.99 Boyesen Power Reeds 18336 Dennis Kirk Part #: 18336 Boyesen Power Reeds 18336: Manufacturer part # 625 - Improves throttle response and fuel economy, enhances acceleration and top-end speed. Revolutionary dual-stage reeds outperform and outlast any stock reed.. 625 2 on Hand More Info/Options for Boyesen Power Reeds 18336

$21.99 UNI Two Stage Competition Filter 30773 Dennis Kirk Part #: 30773 UNI Two Stage Competition Filter 30773: Manufacturer part # NU-2348ST - Uni-Filters two-stage foam design provides superior filtration while allowing maximum airflow. Ultra-Seal filters have a unique grease groove that allows effective application of sealing grease to tightly bond the filter to the surface of the air box.. NU-2348ST