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KTM Engines & Components

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Vertex Race Evolution Piston Kits

Vertex Race Evolution piston kits match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption. They have an 18 percent silicon content which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan. A special high-tech Molybdenum Disulphide (MOS2) skirt coating featuring specific pockets is used to facilitate cylinder/piston smoothness, as well as reduce wear and improved break-in. All piston kits include piston, rings, wrist pin, and circlips. Select the size needed for your off-road motorcycle.

Not Yet Reviewed

$111.11

$121.56

Vertex Replica Stroker Piston Kits

Vertex Replica stroker piston kits match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption. They have an 18 percent silicon content which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan. A high-tech Molybdenum Disulphide (MOS2) skirt coating is added for reduced wear and improved break-in. All piston kits include piston, rings, wrist pin, and circlips.

Not Yet Reviewed

$123.75

$155.76

Pro-X Racing Parts Connecting Rod Kits

When the time comes to rebuild the motor in your dirt bike, ATV, or scooter, turn to Pro-X Racing Parts for OEM-quality connecting rod kits. These components are made out of tough alloys to tight tolerances for durability, dimensional consistency, and strength. The rods are barreled and shot-peened for smooth surfaces and double forged on dedicated forgings. Pro-X oiling slots maximize lower rod oiling and extend bearing life. Pro-X Racing Parts connecting rod kits will bring your motor back to life.

Not Yet Reviewed

$107.99

$224.99

Vertex Replica Piston Kits

Quality you can see, power you can feel—Vertex Replica piston kits are choice replacements for precision performance. Available in 2- and 4-stroke, the Replica piston kits feature both cast and forged manufacturing processes, supplying the highest quality to meet your needs. And, Vertex offers A, B, C, and D sizes, so you can choose the proper fit for your cylinder. The difference in the sizes is 0.01mm (0.0004 in.) increments, with A being the smallest and D the biggest. Vertex Replica piston kit notes: * 2-stroke piston kits are gravity cast aluminum alloy with 18 percent silicone content, which produces an extremely light but very strong piston * 4-stroke pistons are forged from 2618 or 3032 alloys for superior strength and durability * All pistons are heat-treated with a T-5 hardening and tempering cycle * All piston skirts are treated with a high-tech molybdenum disulfide (MOS2) coating for faster break-in time and increased piston life * Standard pistons and rings are OEM replacements * Kits include piston, rings, wrist pin, and circlips

Not Yet Reviewed

$114.26

$263.66

Wiseco Powersports Pro-Lite Piston Kits

Wiseco powersports piston kits include your rings, piston pin, and circlips. These 2-stroke kits feature Pro-Lite pistons that are CNC-machined for optimal cam shape and profile, horsepower, and service life. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits offer strong, lightweight pistons with optimized designs to 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.

4.13 out of 5 stars ( 8 )

$107.99

$262.97

Vertex Top-End Piston Kits

Vertex top-end piston kits are OEM-style replacements. These kits include everything needed to rebuild a top-end for the specific application selected. When applicable, the wrist pin bearing included is DLC-coated for added longevity. All piston skirts are coated with a high-tech molybdenum disulphide coating for faster break-in and increased piston life along with a T-5 hardening cycle. Rebuild your top-end without worries with Vertex top-end piston kits.

4.67 out of 5 stars ( 3 )

$105.26

$253.76

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.

3.83 out of 5 stars ( 6 )

$143.97

$288.97

Wiseco Powersports 2-Stroke GP Series Pistons

Wiseco powersports GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. They incorporate additional performance and durability enhancing features, including an Electra-Coated crown, ring groove(s), and pin bores—plus ArmorGlide skirt coating, making the pistons perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours … to consistent competition, GP Series 2-stroke pistons are up to the challenge. Additional details: * Designed for endurance and sustained-RPM 2-stroke riding * Engineered, forged, and machined in Mentor, OH * Designed with optimized features for long service life and top-end power * Electra-coated crown, ring groove, and pin bore resists potential wear, combustion heat damages, and ring micro-welding * ArmorGlife skirt coating reduces friction to optimize performance potential * Extra lightening operations for enhanced throttle response * High-quality ring(s), wrist pin(s), and circlips included

Not Yet Reviewed

$156.97

$237.97

All Balls Racing Crankshaft Bearings and Seal Kits

These All Balls Racing crankshaft bearing and seal kits contain right side and left side crankshaft bearings and seals, depending on your application. These crankshaft bearings feature Koyo and Nachi bearings (precision Japanese crank bearings). All Balls Racing crankshaft seals are designed with a carbon/fluorocarbon sealing lip to reduce "dry start" friction and crank pin wear. All Balls Racing crankshaft bearings and seal kits include all of the parts needed to do the job right!

5.0 out of 5 stars ( 1 )

$128.32

$128.80

Wiseco Powersports 4-Stroke Forged Series Piston Kits

Wiseco powersports 4-stroke forged series piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, motorcycles, ATVs, snowmobiles, and outboard marine engines. 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 these Wiseco powersports piston kits! Order the piston kit designed to fit your application.

1.0 out of 5 stars ( 1 )

$207.97

$279.97

Wiseco Powersports 2-Stroke Racer Elite Series Pistons

Wiseco offers powersports 2-stroke Racer Elite Series pistons for a wide range of KTM, Husaberg, Husqvarna, KTM, Gas Gas, Honda©, Kawasaki, Suzuki, and Yamaha off-road bikes from 1993 and up. Engineered, tested, and proven for high-level racing applications, these forged aluminum pistons deliver factory-level performance through industry-leading innovation and experience. Racer Elite 2-stroke pistons set a new standard with proprietary technology and dyno-proven performance in a USA-made forged piston package. Additional product details: * Designed for full-race applications * Engineered to be the most advanced 2-stroke pistons on the market * Industry's first 2-stroke piston to be forged with 2000-Series alloy, providing greater tensile strength * Optimized design for extreme conditions and racing applications * ArmorFit skirt coating conforms to the bore for the ultimate in piston control and wear * ArmorPlating coating protects and improves performance in three main areas: -- Protects the crown from harmful detonation -- Protects pin bore for decreased wear and bore deformation -- Enhanced ring seal for long life and performance * Improved performance, utilizing premium quality rings with enhanced dimensional control, which results in improved sealing and power increases

Not Yet Reviewed

$118.97

$173.97

Wiseco Engine Valves

Wiseco offers one-piece, forged, premium steel and titanium engine valves for a wide variety of powersports applications. These engine valves are made from the highest quality materials and are made to Wiseco's strict specifications for high-strength and fatigue properties. Wiseco valves feature a chromium nitride coating that provides them with excellent surface hardness and wear resistance.

Not Yet Reviewed

$134.99

$156.99

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!

4.47 out of 5 stars ( 15 )

$107.99

Wiseco Main Bearings

Wiseco main bearings are manufactured and engineered to the highest quality standards. These bearings are case-hardened to provide maximum life and smooth operation at high rpm. Wiseco main bearings are an excellent choice for bottom-end performance.

Not Yet Reviewed

$125.99

$143.99

Pro-X Racing Parts Piston Kits

Pro-X Racing Parts piston kits furnish the pistons, rings, wrist pins, and circlip retainers to perform a relatively easy rebuild. Available for 2-stroke and 4-stroke models, these industry-leading pistons are CNC-machined for precision in either a cast or forged aluminum alloy--perfect for low friction and low expansion. Sleeved cylinder versions are made in both standard and oversized parts, while plated cylinder kits can be ordered in standard and A, B, C, and D oversizes. Pro-X Racing Parts piston kits are produced in a variety of OEM bore measurements for powersports equipment from makers like Yamaha, Kawasaki, KTM, Honda®, Husaberg, and Husqvarna. Ensure the best ride every time--replace or rebuild your pistons before they fail and cause more expensive problems.

Not Yet Reviewed

$104.99

$209.99

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 )

$206.99

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 )

$133.90

$174.76

Hot Rods Crankshaft Bearing and Seal Kits

Hot Rods crankshaft bearings and seal kits are the ideal alternatives to expensive OEM bearings and seals. These precision, high-quality crank bearing and seal kits complement Hot Rods' crankshaft assemblies. Hot Rods offers two crankshaft bearings and two seals to complete your installation.

Not Yet Reviewed

$104.45

$146.26

Vertex Race Piston Kits

Vertex Race piston kits consist of piston, rings, wrist pin, and circlips. These pistons are made from the highest quality 2618 aluminum alloy and are perfectly suited to handle the rigors and high pressures of today's modern four-stroke engines. Plus, to aid in the break-in process and reduce wear, every Vertex piston utilizes a unique Molybdenum Disulphide (MOS2) coating on the piston skirt. What truly sets Vertex pistons apart from the competition are the unique piston profiles and compression ratios that are offered in A, B, C, and D sizes. This variation in sizing allows the piston to be perfectly sized to the cylinder for maximizing power and performance, while reducing blow-by and oil consumption. Order the piston kit designed to fit your application needs.

Not Yet Reviewed

$139.61

$191.85

Vertex Pro Race Piston Kits

Vertex Pro Race piston kits deliver forged pistons with the strength required for high performance applications. They are heat treated with a T-5 hardening and tempering cycle and coated with a high-tech Molybdenum Disulphide coating for faster break-in time and increased piston life. Kits include piston, rings, wrist pin, and circlips. Select the kit designed for your off-road bike.

Not Yet Reviewed

$168.26

$196.61

Vertex Race Evolution Stroker Piston Kits

Vertex Race Evolution stroker piston kits are Motocross and Enduro racing team tested and proven. They are built specifically for racing applications with a special racing profile, reduced top ring land, nitride 0.8mm steel ring, and an exclusive MoS2 coating featuring specific pockets to facilitate cylinder/piston smoothness. Kits include dome-top piston, single compression ring, wrist pin and circlips. Vertex Race Evolution stroker piston kits must be used with a stroker crankshaft.

Not Yet Reviewed

$130.77

Vertex High-Compression Piston Kits

Restore that crisp, clean power that your bike used to have. Vertex high-compression piston kits are a work of art and offer you an affordable way to increase horsepower while maintaining stock engine displacement. To handle the internal pressures of a 4-stroke engine, these pistons are forged from the highest quality 2618 aluminum alloy for superior strength and durability, and moly coated piston skirts for faster break-in time and increased piston life. The kits also include rings, a pin, and clips. Improve power and torque across the entire rpm range with Vertex.

Not Yet Reviewed

$224.36

$263.66

Wiseco Racers Choice GP-Series Piston Kits

Be the driving force in your powersports performance with Wiseco Racers Choice GP-Series piston kits! The Racers Choice GP-Series pistons are forged to be tough and durable to stand up to the abuse of high performance applications. With the pistons CNC-machined high-silicon aluminum alloy, Electra coating, removed boost ports, and high performance rings, your performance is optimized. Select the piston kit for your application needs.

Not Yet Reviewed

$156.97

$207.97

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

$181.00

$234.13

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