Kits to rebuild fuel taps and diaphragms for a variety of motorcycles.

Cover only; does not include hardware. Made in the U.S.A. Black

Unleash the beast in your bike with a Baron Big Air Kit. Dyno-designed and flow-bench designed, this kit will add substantial increases to horsepower and torque. The reusable air filter dynamically increases airflow and velocity, maximizing overall performance and fuel efficiency. The innovative, set back, thin-line design enhances and accentuates...

Allows removal of unsightly lines and hoses. Cleans up the look of your engine. Reduces backfire. Does not require re-tuning of carburetors or fuel injection systems. Blends seamlessly with engine. Easily installed by most owners. Made in the U.S.A.

Gives the gas tank a custom look. A special insert allows the use of a Baron polished stainless-steel, threaded cap instead of the stock locking cap. Quick and easy to install with two-part epoxy (included). Made in the U.S.A. Gives the gas tank a custom look. A special insert allows the use of a Baron polished stainless-steel, threaded cap...

Repels water, dirt and dust. K&N BAK filters are water-resistant, but extended riding in the rain is not recommended. Does not fit the Stealth Big Air kit that uses a K&N RE-5333 filter (does not fit K&N billet filter kits). Made in the U.S.A.

Dyno-tested for substantial increases in horsepower and torque by 8% to 10%. Patented design alters the velocity stack, which allows unrestricted airflow to the engine. The system clearly integrates under the fuel tank, replacing the ugly and restrictive stock airboxes. Gets rid of the restrictive stock airbox and filter, and replaces them with a...

Unleash the 'War' in your Warrior with the Stealth Big Air kit. Dyno-tested horsepower and torque increase. Quickens acceleration and reaches speed much more rapidly. Aggressive look, sound and assertive. Includes unique relocation mount for ignition coils and FI sensors allowing clearance for the K&N hi-flow filters. Comes complete with K&N...

Unique internal venturi design promotes maximum airflow. High-flow K&N air filter element ensures the best air intake and maximum protection for your engine. The Powrflo Intake system consists of an aluminum cover and all the fasteners, seals, backing plate and mounting hardware needed for an easy installation. Formed stainless steel mesh insert...

Accessories for use with Dynojet Power Commander fuel management units, including map switches, autotune kits, and digital displays.

Flat-type chrome OE-style gas cap fits many original and aftermarket gas tanks from the 1950s through the 1970s; sold each. Flat-type chrome OE-style gas cap fits many original and aftermarket gas tanks from the 1950s through the 1970s; sold each.

Alternative to replacing the entire petcock assembly when it starts leaking fuel. Kit includes sealing diaphragm, actuator diaphragm, compression spring, screws and washers.

Stamped steel cover hides fuel shut-off valve assembly; knob sold separately. Cover and knob sold each.

One-piece steel base crankcase vents for competition use only. Can be mounted remotely with vent hoses and clamps (not included). Filter measures 2" OD x 1 1/2" high. Made in the U.S.A.

Direct OEM-style replacement carburetor air cut-off valve set. Provides diaphragm, spring and O-ring. Located on the side of the carburetor, the air cut-off valve prevents backfiring on deceleration. Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes. Sold in sets for one carburetor.

Direct OEM replacement assemblies. Three-position petcock (off/reserve/main), unless noted.

Each kit contains all necessary O-rings, bolts, screws and diaphragm for a full petcock repair. Poly bag with K&S heavy-duty card.

Each kit contains all necessary O-rings, bolts, screws and diaphragm for a full petcock repair. Poly bag with K&S heavy-duty card.

A range of Koso performance components for Honda Grom and Monkey models, including throttle bodies, manifolds, injectors, and adapter kits to improve air/fuel mixture and throttle response.

Replacement components and accessories for standard Kuryakyn Hypercharger and Pro R Hypercharger systems. Upgrade performance and looks with trap doors and replacement filters. Sold each.

Replacement components and accessories for standard Kuryakyn Hypercharger and Pro R Hypercharger systems. Upgrade performance and looks with trap doors and replacement filters. Sold each.

Easy weld-on cap for either gas or oil tanks. Bung is aluminum. Vented gas cap is aluminum with knurled edge. Bung measures 1 5/8" in diameter and 1" tall (3/4" insertable for welding). Cap is 1 5/8" in diameter and 1/4" tall. Made in the U.S.A. Easy weld-on cap for either gas or oil tanks. Bung is aluminum. Vented gas cap is aluminum with knurled...

For use with auxiliary fuel tank or other use requiring an in-line installation. Features double neoprene seals and O-rings for smooth and positive operation. PART #P537 is not recommended for engines over 200cc. PART #s P12-035 and P12-036 are not recommended for engines over 300cc.

Features a unique electrode shape with Diamond Fire technology to maximize power. The improved flame kernel shape ignites the air/fuel mixture faster, creating a more localized pressure front for faster pressure rise, resulting in more complete combustion and improved engine performance. A truly premium performance plug. Sold each.

Increase airflow and performance for Royal Enfield 650 Twins with S&S components. The high-flow air filter flows 12% more than stock and is washable and re-usable. The intake eliminator plate kit increases airflow by a dramatic 95% when used with the S&S filter. Both items are made from durable materials for long life and are sold separately. Made...