YAMAHA Camshafts & Valvetrain 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 )

$122.99

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$123.99

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

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$11.99

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 )

$126.99

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$339.99

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

$19.99

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$99.99

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

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$104.99

Hot Cams Valve Spring Kits

Performance engines require performance parts and Hot Cams has you covered with these valve spring kits. They are a great complement to aftermarket cams and are commonly a necessity when installing them. Based specifically on application requirements, these kits will vary with what is included. Some valve spring kits may include only springs, while other kits may include springs, base washers, and retainers. Order the kit best suited to meet your application requirements.

Not Yet Reviewed

$274.99

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

$163.81

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$207.81

Pro-X Racing Parts Cam Chains

Pro-X Racing Parts cam chain line is supplied with the successful cooperation of Borg Warner in Japan. Borg Warner is a leading name in the industry and is known as one of the main suppliers to a variety of OEM companies worldwide. The camshaft chains have proven quality and with the teamwork of Pro-X and Borg Warner, a complete line of cam chains for MX, ATV, and street bikes is available. Choose the proper fit for your machine.

Not Yet Reviewed

$41.99

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$129.99

Pro-X Racing Parts Titanium Valves

Pro-X Racing Parts offer titanium valves for a large portion of the ATV and MX market segments. Forged form one piece, these valves offer superior strength over OEM. They have a CrN coating to add hardness for longer valve life and less friction meaning your guides, seats, and seals will last longer too. If you are looking to replace worn out OEM valves, or building a performance engine that needs to last, Pro-X Racing Parts titanium valves are the only logical choice.

Not Yet Reviewed

$76.99

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

$59.99

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$97.99

Kibblewhite Black Diamond Valves

Kibblewhite Black Diamond valves are CNC-machined from one-piece forgings of EV8 stainless steel, impregnated by a special German process to a depth of .002 in. with a surface buildup of .0002 in. This proprietary, multi-stage process reduces friction and provides superior resistance to wear and corrosion over traditional chrome and nickel electrolysis plating processes. These valves go through an oxiding and polishing process that creates an extremely smooth surface finish that's easy on valve guides, and there's nothing to flake off and get trapped between the valve and guide to cause seizure or wear! Kibblewhite Black Diamond valves are designed using Finite Element Analysis software, with profiles tested on Kibblewhite's computerized flow bench to provide excellent flow characteristics. These strong, reliable, and lightweight valves are your ticket to ultimate valvetrain performance!

Not Yet Reviewed

$37.55

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$54.10

Kibblewhite Tensilite Titanium Valves

Kibblewhite has developed these Tensilite titanium valves to cope with the stress of racings. These valves start life as a solid bar of premium titanium that is forged for the ultimate in strength. The stem is then pulled from the forging process and machined to tight tolerances to prevent premature fatigue or failure. After all of the machining and finishing is completed, Kibblewhite applies a hard titanium nitride shell to further increase the strength and longevity of the valves. To ensure the finest product available, Kibblewhite has lab-tested these valves and then put them through their paces in a variety of racing applications, from superbikes to dual-stage nitrous drag bikes. When the race is on the line and you need that extra edge, don't settle for anything but the best. Upgrade to these Kibblewhite Tensilite titanium valves and get a leg up on your competition.

Not Yet Reviewed

$92.51

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

$24.99

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$48.99

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

$25.99

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$100.99

D.I.D Racing Chain Cam Chains

Your D.I.D Racing Chain cam chains are ready to be tested by you! You'll be able to run your ride without fear because D.I.D's engineers are continuously improving their chain designs in order to handle the tremendous horsepower loads of today's high performance engines. When you want to replace your cam chain, replace it with a proven winner. Install D.I.D Racing Chain cam chains on your ride and get aggressive without fear!

5.0 out of 5 stars ( 1 )

$57.99

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$58.99

Hot Cams Roller Camshaft Cam Chains

The Hot Cams roller camshafts cam chains are engineered to meet or exceed original equipment manufacturer (OEM) specifications and tolerances, serving as a more durable and cost-effective replacement for worn stock chains. These components feature exclusive heat treatment of links creating excellent friction and impact resistance to minimize the rate of chain stretch, ensuring reliable performance in demanding applications. Select the roller camshaft cam chains designed for your application needs.

Not Yet Reviewed

$14.99

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$51.99