Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
2003 HONDA Camshafts & Valvetrain
Showing In Stock Items. Show All 71 Items.
Aisin Timing Belt and Water Pump Kits
Aisin timing belt and water pump kits will get your engine up and running again in no time. Drawing on its expertise as a leading water pump supplier to vehicle manufacturers worldwide, Aisin combines OE-matched components into convenient kits for a variety of makes, models, and engines. Order the kit recommended for your vehicle. Key features of Aisin timing belt and water pump kits include: * Advanced aluminum die-casting technology for size and weight reductions without sacrificing cooling performance * Engine-specific water pressure without excessive engine load * Improved strength body designs and carbon-ceramic mechanical seals prevent leaks
( 73 )
$129.99
—
$217.99
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.
( 6 )
$122.99
—
$123.99
Cloyes Timing Chain Kits
Cloyes timing chain kits meet OE performance requirements. They utilize the latest in design and materials so you can enjoy quiet, maintenance-free performance. These assemblies are available in various styles, including link belt, single roller, and single non-roller. Order the kit designed for fitment on your specific model or engine application.
( 174 )
$396.99
—
$515.99
Continental OE Technology Series Pro Plus Timing Belt Kits
Continental offers OE Technology Series Pro Plus timing belt kits for hundreds of applications, from 1987 and up. These replacement packages ensure that your entire timing belt system will operate correctly. The premium kits come complete with OEM-quality components, perfectly matched to save you time and money. Kits may include water pumps, belt(s), idlers, and tensioners (hydraulic when applicable), and seals. Enhance your vehicle's performance with a Pro Plus timing belt upgrade!
( 3 )
$217.99
—
$478.99
Dorman Camshaft Phasers
The variable valve timing sprocket is key to ensuring an engine's performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.
( 9 )
$111.95
—
$176.99
Melling Timing Chain Sets
Melling timing chain sets are designed for use with either performance or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. The crank gears are machined from stress-proof steel. Most Melling timing chain sets have three keyways to ensure accurate timing for early or late model vehicles, and to allow you to set the cam timing at 4 degrees advanced, 4 degrees retarded, or stock. However, 50-state (stock replacement) sets have single keyways. The chains are available in several styles, such as single or double roller, single non-roller, and link belt. Melling timing chain sets are not for use above 6,500 rpm. Order the model designed for your vehicle application.
( 138 )
$247.99
—
$350.99
Hot Cams Refill Shim Packages
Hot Cams refill valve shim packages contain five identical pieces in the size specified.
( 11 )
$5.50
—
$10.99
Continental OE Technology Series Timing Belt Kits
Continental OE Technology Series timing belt kits are all-inclusive, providing you with all of the parts and precision you need for engine tune ups. These kits feature belts constructed with reinforced rubber compounds, enhanced with premium polymers, and featuring no-slip precision-molded teeth. Kits are available with a timing belt, tensioners, idlers, and cam or crank seals. Continental timing belt kits are your complete repair solution for consistent performance and long-term durability in the hot, oily environments of today's crowded engine compartments. Order the replacement or upgrade kit recommended for your vehicle.
( 1 )
$109.99
—
$146.99
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.
( 2 )
$208.99
—
$389.99
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
$16.99
—
$156.99
Cloyes Timing Chain Guides
Cloyes engine time chain guides/tensioners are available in a variety of materials and finishes—for more than a dozen positions. They utilize the latest in design technology, ensuring proper fit and quiet, maintenance-free performance that meets or exceeds OEM requirements. Order the model recommended for your vehicle and engine application.
( 1 )
$22.99
Dorman Variable Valve Timing Solenoids
Dorman variable valve timing solenoids will restore the fuel efficiency and normal operation of your vehicle. These direct replacement solenoids are engineered from quality materials for a proper fit and years of effective performance. They easily plug into the electrical harness and come conveniently packaged with the installation gasket (where applicable). Maintain proper oil flow and pressure with Dorman variable valve timing solenoids.
( 27 )
$43.99
—
$196.95
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
$57.99
—
$75.99
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
$8.99
—
$99.99
INA Timing Chain Kits
Many engines use a timing chain, which joins the crankshaft to the camshaft, providing precise valve timing control. Worn and stretched chains can lead to catastrophic engine failure. Fortunately, INA timing chain kits offer the necessary parts to keep your engine running in perfect timing. Along with the chain and chain protection additive, most kits include new tensioners, guides, and sprockets. Order the model recommended for your vehicle application.
( 2 )
$221.99
Standard Motor Engine Variable Timing Sprockets
Standard Motor engine variable timing sprockets will restore your vehicle's drivability. Designed to match OE performance, these SMP units are precision-machined to ensure accurate variable valve timing and correct rough idle. And, once installed, the cam phasers can help to reduce emissions and improve vehicle efficiency. Choose quality parts to get the job done right the first time; choose Standard Motor engine variable timing sprockets.
( 8 )
$225.99
Continental OE Technology Series Timing Belts
Continental OE Technology Series timing belts are designed to deliver precise, non-slip timing. Engineered with OE Solutions Technology and made to last, these belts are constructed with enhanced rubber compounds, reinforced with fiberglass and aramid cords. They resist shrinkage and stretching; plus, the premium polymers offer exceptional heat and abrasion resistance. The molded teeth resist deformity and offer improved rigidity to ensure a long, dependable life. Hundreds of replacement belts are available for applications from the 1970s and up.
( 5 )
$20.99
—
$40.99
Dorman Timing Belt Tensioners
Dorman manufactures the highest quality timing belt tensioners for reliability and performance. They are designed to meet or exceed OEM specifications and stand up to the harshest automotive conditions. The right pressure on your belt is important--get one of these Dorman timing belt tensioners and you will get more life out of your timing belt.
( 1 )
$138.99
Kuryakyn Timing Chain Covers
Kuryakyn timing chain covers are designed to cover up your ugly factory aluminum cam chain cover. Made of high-quality steel, they have a chrome finish for long-lasting durability and shine. They also include a chrome version of the stock screw-in cap. So, if you're looking to add some custom looks to your ride, Kuryakyn timing chain covers are a perfect way to do it.
Not Yet Reviewed
$129.99
Holstein Parts Variable Valve Timing Solenoids
The variable valve timing solenoid alters the supply of oil pressure to the camshaft depending on the engine's speed and load and can either advance or retard cam position, which provides several benefits, including improved engine operation increased engine power, reduced fuel consumption, and decreased emissions. Holstein Parts focuses on using only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts variable valve timing solenoids offer superior coverage for domestic and import applications. Order the model designed to fit your application needs.
( 1 )
$34.50
—
$60.99
Cloyes Timing Belt Kits
Cloyes timing belt kits are designed for replacement of worn or damaged OEM timing belts and accessories. These kits include belts, tensioners, and idler pulleys. The timing belts are made of wear-resistant fabric and high-tensile strength cord construction to resist oil and engine heat, while minimizing stretch. Cloyes offers one of the most complete lines of timing belt kits in the aftermarket; all kit components and belts are manufactured to meet or exceed OEM performance requirements. Kits are available for vehicles from the early 1970s and up; order the model recommended for your year, make, and engine application.
( 3 )
$58.99
—
$86.99
Clearance
Aisin Hydraulic Timing Belt Tensioners
Aisin hydraulic timing belt tensioners were developed by the Aisin OE Engineering division. Always OE-matched, they utilize a unique hydraulic pressurizing mechanism that efficiently dampens timing belt vibrations while maintaining optimal belt tension throughout the RPM range. Additional features of Aisin hydraulic timing belt tensioners: * Engineered to exacting OEM specifications * Made using the highest quality materials to maximize durability * Maintain reliability by automatically adjusting belt tension
Not Yet Reviewed
$84.99
$48.50
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
$35.99
—
$53.99
Clearance
Cloyes Replacement Timing Chain Tensioners
Over time, timing chains suffer from wear and tear that can result in timing chain stretch and timing fluctuations. Cloyes offers these replacement timing chain tensioners for a variety of applications. They're made of high-quality materials to increase your cam timing accuracy.
( 13 )
$56.99
$33.50
—
$86.99
