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The Powercore 4 spark arrestor muffler. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. Highest quality packing for long life. Removable spark arrestor included. Louder than the Q4. Approximately 99db stock or about 94db with optional Quiet Insert installed.

• Uses long-life muffler packing for increased packing life
• Forest Service approved spark arrester

The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available.

Constructed from aircraft grade aluminum and high strength stainless steel.

Sound output 96dB. Several pounds lighter than the stock muffler.

New Bearings for your DRZ400.

If you are in the lower end doing work, new bearings are cheap insurance for all that hard work.

Billet plugs for your left side case. 

Includes both the timing mark plug and the crankshaft access plug.
 

As the leader in innovation, design and development of aftermarket high-performance camshafts, Hot Cams is certain to provide the added boost that enthusiasts are looking for.

Designed, dyno proven and made in the USA, Hot Cams performance camshafts are one of the most economical, reliable and easy to install ways to add a 5-10% power gain to your bike.

Stage 1: These cams provide better low RPM torque, pulling power, and throttle response.

Stage 2: These cams will provide improved full throttle torque and horsepower starting at 4000 RPM and up.

• Includes aluminum cylinder, piston kit, and special gasket set designed for larger water jackets
• Bolts on with no machining required
• 94mm big bore piston
• Aluminum cylinder designed with wider water jackets for better cooling.
• Forged hi-compression piston  12.8:1
• Includes all necessary Rings, Clips, and Gaskets.

A complete set of gaskets, o-rings and oil seals. Everything you will need when doing a complete engine re-assembly.

Replacement retaining pin for the brake caliper. Includes 1 stock style brake pin.

Be sure to use some anti-seize on the threads when you install it.

Front caliper only for DR350 and DR650

Yes, plastic! This is a product from our friends at Acerbis. Ultra tough injection molded reinforced composite. Flexible Heavy-Duty Polypropylene will not effect chassis ability to flex, will not effect handling

It's twice as thick as a metal skid plate but is only half the weight. Plastic glides over rocks and roots better than aluminum. It also reflects less engine noise, bike will run quieter and cooler compared to alloy skid plate. Full coverage, mounts to existing threaded holes at the rear of the frame.

The X-Grip is a frame guard that allows the rider to both protect the frame of the motorcycle from wear as well as adding more grip to the bike.

Made from a dual injected mold; The outer plastic is durable polycarbonate while the inner plastic is durable yet playable and offers incredible grip.

Available in 3 colors

Does your stock vacuum operated petcock not shut off when your bike is parked? Replace your stock vacuum operated petcock with this manual one. Must be shut off any time the bike is parked for more than a few hours. Fits stock or aftermarket tanks. Plastic tanks may need the hole 'ovalized' to fit the dual standpipes.

  Does not fit OEM XR650L metal tank

Your automatic cam chain tensioner is spring loaded. This can make it difficult to install as it wants to extend before you have it bolted into place. This handy tool will back off the cam chain tensioner mechanism and hold it for you. No more awkward 3-handed contortions are required to get the tensioner installed.

DRZ400 E/S

A pair of Race Tech fork springs to dial in your front suspension to suit your weight.

Fits all DRZ400 models with conventional forks (not for SM)

Recommended spring rates: