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High quality bore kit that shows substantial power gains throughout the RPM range. 65mm piston. 9.8:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.

• All new design
• Brand new high quality BBR aluminum cylinder
• 9.8:1 compression ratio
• 65mm piston
• Includes cylinder, piston, pin, rings, and gaskets

These valve springs are required when using the BBR High Performance camshaft for the CRF150/230F.

• Built from the highest quality chrome-silicon wire
• Fully shot-peened and preset for long life

Keep your motor running right with fresh spark plugs!

NGK is one of the world's largest manufacturer of spark plugs, whose products are used as original equipment (OE) on countless motorcycle and automobile models.

• High-quality materials and superior construction for serious power and reliability
  • Pure alumina silicate ceramic insulator provides high strength and better heat transfer
  • Deep-seated copper core for a wider heat range
  • Nickel alloy tip for longer life
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Choosing the right high-quality plugs prevents fouling from running too cool and preignition from running too hot
• NGK plugs available for almost every application and riding style

• Allows precise valve lash adjustment without disturbing the setting when the lock nut is fastened
• Knurled knob on adjuster drivers ensure a precise and secure grip
• Integrated repositionable wrench handle holds the lock nut while the drivers are used to loosen or tighten the valve adjustment screw

Set includes:

• (1) 10mm steel socket wrench
• (1) 3mm square tappet adjuster

• High friction 320mm steel rotors for greater stopping power over stock rotors
• Includes a caliper relocation bracket
• Designed to fit standard hubs

• Sintered brake shoes are best for regular riding. Long life, and good performance in all conditions.
• Sport Carbon brake shoes are made for fast riding in dry conditions. Not recommended for mud, water, or sand.

• Sintered Pads are best for regular riding. Long life, and good performance in all conditions
• Sport Carbon pads are made for fast riding in dry conditions. Not recommended for mud, water, or sand
• Race Sintered pads are high performance race pad with superb durability similar to that of the sintered pad. Higher friction level and fade resistance. Diamond ground surface finish to speed bed-in. Comes with new pad pins. Race Sintered are designed for racing use only; not for street use

Sized perfectly for adult back-yard racing or fast/aggressive mini riders. This is the most important upgrade you can make for an adult sized rider. The stock suspension is too soft for most adults and aggressive kids.

• 30% stiffer than stock
• Preset and stress relieved for long life
• Custom wound from aircraft quality spring steel

Sized perfectly for adult back-yard racing or fast/aggressive mini riders. This is the most important upgrade you can make for an adult sized rider. The stock suspension is too soft for most adults and aggressive kids. Fits stock shock.

• 30% stiffer than stock
• Preset and stress relieved for long life
• Custom wound from aircraft quality spring steel
• Powder coated finish

Machined from impact and wear resistant chromoly steel. Heat treated, then finished with a nickel coating for corrosion resistance.

• Increased air flow over the stock air filter
• Designed to increase horsepower and throttle response
• Designed to fit inside the factory air box
• Larger surface area over foam filters which offers longer service intervals in dusty conditions
• Four layers of premium cotton gauze provides outstanding filtration
• Washable & re-usable, never wears out
• One filter will last the lifetime of your bike

We start with Excel or Sun rims, OEM hubs, and Buchanan's heavy gauge stainless steel spokes. Rims and spokes are precision machined for a perfect match to your bike.

Our pro shop then laces and trues your wheels to perfection, giving you the highest quality set of custom wheels available.

• New OEM hubs with bearings and seals installed
• Excel 2.5" x 17" or Sun 2.75" x 17" front rim
• Excel or Sun 3.5" x 17" rear rim
• Buchanan's stainless steel heavy gauge spokes and zinc-plated nipples

Add tires to your wheel order and we will throw in tubes and mount and balance them at no additional charge.

Tapered roller bearings provide decreased maintenance, less wear, smoother operation and longer life.

This set of high quality replacement steering stem bearings includes:

• Upper and lower tapered bearings
• Upper and lower bearing races
• Upper and lower seals