HONDA TRX450R Engines & Components

Hot Cams Valve Shims

Hot Cams valve shims will work with OEM cam adjustments, as well as hot cam adjustments. They are made from 4140 cold rolled steel and are available in several thicknesses and diameters. Hot Cams valve shims are a must for any powersports application to keep it running at full power.

4.33 out of 5 stars ( 6 )

$123.99

K&N Powersports Oil Filters

K&N Powersports oil filters are designed to satisfy the needs of racers and engine builders as well as the average motorcycle or ATV owner who wants the best oil filter available. These filters trap harmful contaminants while their design allows for high oil flow rates. They are covered by K&N's limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturer's recommended service intervals. For a high-performance design with outstanding filtration, order the K&N Powersports cartridge oil filters best suited for your application. More product features include: * High-efficiency media with uniform pleats * Ideal for high-end synthetic motor oil

4.78 out of 5 stars ( 27 )

$11.99

CP Pistons Wrist Pin Locks

CP Piston wrist pin locks are designed for floating-pin pistons. CP Piston wrist pin locks are manufactured from steel, making these wrist pin locks durable for all of your applications. Get a pair of these wrist pin locks today!

5.0 out of 5 stars ( 4 )

$3.25

Cylinder Works Big Bore Cylinder Kits

Eliminate the wait with Cylinder Works big bore cylinder kits. They arrive ready to install, eliminating the hassle of sending out your cylinder for re-plating or boring, and they're competitively priced compared to typical re-plating costs. These Cylinder Works cylinders look virtually identical to your OEM parts and are conveniently available in "stealthy" big bore sizes. Cylinder Works big bore cylinder kits come in a variety of sizes, so choose the one that best fits your application. Features include: * Super-convenient--just purchase and install * Nickel silicon carbide plated for long life * Honed to exact size for easy piston installation * Complete with gaskets, cylinder, and piston kit * No machine work required

Not Yet Reviewed

$613.76

—

$747.60

Hot Cams Refill Shim Packages

Hot Cams refill valve shim packages contain five identical pieces in the size specified.

5.0 out of 5 stars ( 11 )

$5.50

—

$10.99

Wiseco 4-Stroke Piston Rings

Manufactured to the highest standards to outperform the competition, Wiseco 4-stroke piston rings maximize your performance and keep you firing on all cylinders. These rings are crafted from various metals and with specific finishes for both street and track. Designed to underscore piston lubrication, reduce bore friction, and optimize the heart of your engine, Wiseco rings improve the overall function of your pistons and powerplant. The 4-stroke rings are intended for use in cast iron, NikaSil, boron composite, and electrofusion bores; certain rings are designed for limited coatings, such as the XJ with chrome bores and the XN with NikaSil bores. Match up the specs from your motorcycle with the size and type of piston ring replacements you need. You can always depend on race-proven Wiseco technology!

4.5 out of 5 stars ( 16 )

$47.99

—

$51.99

Hot Rods Complete Bottom End Rebuild Kits

When it's time to do a rebuild, Hot Rods complete bottom end rebuild kits are less expensive and longer lasting than OEM. These kits have all that you need to get back on track and are easy to put together. Each kit contains a crankshaft, main bearing/seals, and a complete gasket set. Water pump seals are not included. Great performance parts from Hot Rods will have you going, going, strong!

5.0 out of 5 stars ( 2 )

$529.51

—

$609.41

Hot Cams Drop-In Performance Camshafts

Hot Cams drop-in performance camshafts are one of the most economical, reliable, easy-to-install camshafts and add power gains to dirt bikes, ATVs, and UTVs. Hot Cams drop-in performance camshafts feature 8620 billet case-hardened steel and are CNC-machined for an exact fit and lobe profile. They are engineered to be drop-in cams that use stock valve springs in most cases and have multiple stages to choose from for many of the most popular applications. Stage 1 is designed for excellent bottom end, Stage 2 is designed for increased bottom to midrange performance, and Stage 3 is designed for top end performance.

5.0 out of 5 stars ( 2 )

$284.99

—

$389.99

Pro-X Racing Parts Oil Filters

Pro-X oil filters are available for a wide range of Dirt bike and Sport ATV models. To reach a high level of quality and consistency, the raw materials are supplied by a selected group of leading manufacturers in the industry. The filters are constructed using only premium materials under strict tolerances and quality control. The various quality control steps in the manufacturing process of the Pro-X oil filters make them one of the best filters in the world. The exclusive design and strict production process brings the perfect combination of protection and performance! Furthermore, every filter goes through 16 individual quality control checks before it is ready to leave the factory. The whole manufacturing process, including the checking of raw materials, and individual filter testing, is regularly audited. Order the oil filter designed for your application needs.

Not Yet Reviewed

$5.95

Vertex Big Bore Piston Kits

Vertex offers Big Bore piston kits for a variety of applications, including Kawasaki off-road bikes from the 1990s and up. All pistons are heat-treated with a T-5 hardening and tempering cycle, and all piston skirts are coated with a high-tech molybdenum disulphite coating for faster break-in time and increased piston life. Cast piston kits are gravity cast aluminum alloy (not forged) with 18 percent silicone content—which produces an extremely light but very strong piston. Forged pistons are forged from 2618 aluminum for superior strength and durability. Forged high-compression pistons improve power and torque across the entire RPM range. Big Bore pistons increase engine displacement, torque, and peak horsepower. Forged Replica pistons are forged OE replacements. Replica pistons and all rings are OEM replacements.

Not Yet Reviewed

$235.99

Pro-X Racing Parts Valve Shims

Pro-X Racing Parts offer valve shims for most models Japanese dirt bikes, Road bikes and ATV's and KTM applications. The valve shims are made of premium materials. Specific heat-treatment ensures hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the valve shims are precision machined to match exact size. The ProX valve shims are available in assortment boxes, as well as refill kits. Assortment boxes contain 7.48mm or 9.48mm shims for Japanese applications and 8.90mm and 10.00mm for KTM applications. Thicknesses range from 1.20mm up to 3.50mm. Incremental by 0.025 mm. Refill kits are available for each individual shim size and come in a package of five shims. Select the valve shims for your application needs.

Not Yet Reviewed

$10.95

—

$104.99

Wiseco Powersports Piston Kits

Wiseco powersports piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.

4.0 out of 5 stars ( 7 )

$249.99

—

$384.99

Hot Rods Connecting Rods

Hot Rods connecting rods are premium-quality replacements offered to you at an extremely affordable price. All of their rods are created from 8620 case hardened steel. But, in addition to that, they undergo a special forging process which helps to improve grain flow as well as dimensional consistency--and that means a rod of uncompromising strength. These connecting rods are built tough and tested to ensure maximum strength and durability. Don't be left behind because of a broken bike--keep your machines running in top-notch condition with these Hot Rods connecting rods!

4.0 out of 5 stars ( 1 )

$214.65

—

$221.30

Hot Rods Crankshafts

Are you looking to replace a broken or worn-out crankshaft? Hot Rods crankshafts are sold with or without Hot Rods connecting rods and wrist pin bearings. These crankshafts are factory assembled and trued to OEM specifications. They avoid the additional machine work and extra parts typically required for long-stroke engines. Stroker crankshafts use stock pistons. Heavy-duty crankshafts utilize their heavy-duty connecting rods. Bolt in and go with these Hot Rods crankshafts!

Not Yet Reviewed

$453.10

—

$613.65

Kibblewhite Lightweight Racing Valve Spring Kits

Kibblewhite is dedicated to providing the best lightweight racing valve spring kits available. The folks at Kibblewhite have years of experience building the finest valvetrain products, and that experience has culminated in these lightweight valve springs. Each spring starts life as the finest quality super-clean, chrome-silicon wire that is wound to the most exacting standards. After the spring is wound, it goes through a rigidly controlled heat treatment, stress relief, and shot-peening process that ensures the longest lasting and strongest springs possible. These springs are perfect for today's high-revving motors, whether you are on the race track or the trail. Upgrade to these Kibblewhite lightweight racing valve spring kits today and stop worrying about when one of your stock springs is going to fail you.

Not Yet Reviewed

$207.81

Kibblewhite Cylinder Studs

Kibblewhite cylinder studs are manufactured from tough steel, offering high-tensile and yield strengths, with just the right amount of ductility to resist fatigue and stress. These studs are ground to ensure a concentric shape that doesn't interfere with the head or the correct seating of the head nut. Don't compromise your rebuild--use Kibblewhite cylinder studs to hold everything together!

Not Yet Reviewed

$113.79

Namura Technologies Top-End Repair Kits

Top-end rebuilds can help to improve the performance of your ride, and Namura Technologies top-end repair kits will keep your ATV, UTV, or off-road motorcycle running in peak condition! They include everything you need: pistons, top-end gasket kit, and wrist pin bearings (where applicable) in one convenient, time-saving package. Namura kits are available for a wide variety of makes and models, with specific bore and compression ratio parts to service your specific vehicle. Choose to do your rebuild with repair kits from Namura Technologies—the people who make pistons with attitude!

5.0 out of 5 stars ( 2 )

$157.99

Wiseco Cam Chains

Wiseco craftsmanship can now be found in their line of cam chains. These M-style chains offer maximum strength and durability. Each is made from premium materials for reduced friction and increased service life and is expertly engineered to exceed OEM specifications and tolerances.

Not Yet Reviewed

$83.99

Wiseco Powersports Piston Wrist Pins

Choose Wiseco for your powersports piston wrist pins. They carry a variety of pins to suit most any applications in either chromed or un-chromed, straight or tapered styles, with no finish or their Superfinish. Wiseco powersports wrist pins are strong, lightweight, and can be used with OEM pistons.

4.0 out of 5 stars ( 3 )

$22.99

—

$75.99

Twin Air Oil Filters

Twin Air oil filters ensure clean oil is being sent to your engine and components. These stock replacements are available for a long list of powersports rides. Choose the oil filter designed for your bike or ATV.

Not Yet Reviewed

$14.99

Hot Cams Silent Camshaft Cam Chains

The Hot Cams silent camshaft cam chains are a high-performance replacement engineered to exceed OEM specifications for durability and precision. The chains feature an exclusive heat-treatment on the links for superior friction and impact resistance, reducing engine noise and chain elongation. These components offer a cost-effective, durable solution for restoring timing precision. Order the model for your application needs.

Not Yet Reviewed

$48.99

—

$51.99

Cylinder Works Standard Bore Cylinder Kits

Eliminate the wait with Cylinder Works standard bore cylinder kits. They arrive ready to install, eliminating the hassle of sending out your cylinder for re-plating or boring, and they're competitively priced compared to typical re-plating costs. These cylinders look virtually identical to your OEM parts. Cylinder Works standard bore cylinder kits come in model-specific kits, so choose the one that best fits your application. Features include: * Super-convenient--just purchase and install * Nickel silicon carbide plated for long life * Honed to exact size for easy piston installation * Complete with gaskets, cylinder, and piston kit * No machine work required

4.5 out of 5 stars ( 2 )

$517.61

—

$587.31

Hot Rods Output Shaft Kits

Hot Rods output shaft kits feature a unique combination of innovative engineering and quality manufacturing. They are a quick solution to repairing a leaking output shaft seal in one complete kit. These kits include Hot Rods output shaft seal, output shaft bushing, o-rings, and a sprocket nut washer where applicable. Ride hard and be safe with quality parts from Hot Rods.

Not Yet Reviewed

$36.05

Shindy Products Valve Sets

Nobody wants engine problems. Replace worn or damaged valves and prevent thermal or mechanical overstress. Shindy Products valve sets are high-quality steel replacement valves—containing one intake and one exhaust valve. Order the set recommended for your ATV application.

Not Yet Reviewed

$53.99