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KTM 300 EXC Engines & Components

Showing In Stock Items. Show All 12 Items.

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Results 1 - 6 of 6

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

$119.99

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

$222.11

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$229.46

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 )

$219.99

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$229.99

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

$113.00

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 )

$144.35

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 )

$246.56

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