Timing Gears, Chains & Covers

Timing Gears, Chains & Covers

  • Cloyes® - Engine Timing Set
    Cloyes®Engine Timing Set
    9
    # sp206490
    Engine Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE quality parts...
    Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
    $15.18 - $1,149.01
  • iD Select® - Engine Timing Set
    iD Select®Engine Timing Set
    0
    # sp223688
    Engine Timing Set by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your factory component....
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $17.75 - $501.93
  • Melling® - Timing Set
    Melling®Timing Set
    0
    # sp202446
    Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild. Timing chain options include both standard and roller chains to provide...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $28.14
  • SKP® - Timing Set
    SKP®Timing Set
    0
    # sp206876
    Timing Set by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $23.05 - $34.52
  • iD Select® - Engine Timing Chain Kit
    iD Select®Engine Timing Chain Kit
    0
    # sp226665
    Engine Timing Chain Kit by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your factory component....
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $49.60 - $398.55
  • ACDelco® - GM Original Equipment™ Timing Chain Tensioner
    ACDelco®GM Original Equipment™ Timing Chain Tensioner
    0
    # sp249838
    GM Original Equipment™ Timing Chain Tensioner by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Timing Chain Tensioner by ACDelco features premium quality and will perform better than advertised....
    Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicleGM-recommended replacement part for your GM vehicle's original factory component
    $15.64 - $85.37
  • Genuine® - Timing Chain Tensioner
    Genuine®Timing Chain Tensioner
    0
    # sp26004
    Timing Chain Tensioner by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using state-of-the-art...
    Made with precision and quality in mindDesigned to meet your specific needs
    $6.01 - $1,894.83
  • Enginetech® - Timing Set
    Enginetech®Timing Set
    0
    # sp159771
    Timing Set by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance applications, Enginetech...
    Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques
    $17.22 - $306.43
  • Cloyes® - Crankshaft Sprocket
    Cloyes®Crankshaft Sprocket
    0
    # sp136571
    Crankshaft Sprocket by Cloyes®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $2.53 - $117.70
  • DNJ Engine Components® - Timing Set
    DNJ Engine Components®Timing Set
    1
    # sp133829
    Timing Set by DNJ Engine Components®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit...
    Designed to replace your malfunctioning partsHelps get your vehicle back to it's original performance
    $29.59 - $378.51
  • Cloyes® - Timing Chain Tensioner
    Cloyes®Timing Chain Tensioner
    0
    # sp116365
    Timing Chain Tensioner by Cloyes®. A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic pressure to properly tension the system.
    Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experienceAll Cloyes timing chain tensioners meet or exceed OEM performance requirements
    $4.65 - $115.95
  • Original Equipment® - Crankshaft Gear
    Original Equipment®Crankshaft Gear
    0
    # sp187156
    Crankshaft Gear by Original Equipment®. Looking for high-quality replacement parts to restore the performance of your vehicle? Then Original Equipment automotive parts are for you. They are manufactured from the finest materials...
    Perfect replacement for your damaged or worn out original partMade using high-grade materials for long-lasting dependability
    $13.67 - $118.84
  • ACDelco® - Genuine GM Parts™ Crankshaft Sprocket
    ACDelco®Genuine GM Parts™ Crankshaft Sprocket
    0
    # sp249403
    Genuine GM Parts™ Crankshaft Sprocket by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $23.67 - $185.10
  • Genuine® - Variable Valve Timing Oil Control Valve Filter
    Genuine®Variable Valve Timing Oil Control Valve Filter
    0
    # sp176808
    Variable Valve Timing Oil Control Valve Filter by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...
    Made with precision and quality in mindDesigned to meet your specific needs
    $10.38 - $42.92
  • Mopar® - Crankshaft Gear
    Mopar®Crankshaft Gear
    0
    # sp136665
    Crankshaft Gear by Mopar®. Want your prized possession to look and perform the way it was designed to? Then top-of-the-line Mopar automotive parts and accessories are for you. Made using the latest manufacturing technology to meet the...
    Ideal solution to keep your vehicle in top shapeCrafted from premium-grade materials and the latest technology
    $8.27 - $1,006.49
  • URO Parts® - Engine Timing Belt Tensioner
    URO Parts®Engine Timing Belt Tensioner
    0
    # sp111461
    Engine Timing Belt Tensioner by URO Parts®. Replace your worn out engine part with this superior engine component designed by URO to restore your vehicle's factory performance. Manufactured to meet the highest OE standards, this...
    Replaces your worn out factory engine part to restore vehicle's performanceConstructed from top notch materials for ultimate strength and reliability
    $19.84 - $45.98
  • Genuine® - Crankshaft Sprocket
    Genuine®Crankshaft Sprocket
    0
    # sp136501
    Crankshaft Sprocket by Genuine®. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website you'll...
    Made with precision and quality in mindDesigned to meet your specific needs
    $12.92 - $435.11
  • Cloyes® - Crankshaft Gear
    Cloyes®Crankshaft Gear
    0
    # sp136570
    Crankshaft Gear by Cloyes®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $9.33 - $82.00
  • COMP Cams® - Hi-Tech™ Timing Set
    COMP Cams®Hi-Tech™ Timing Set
    0
    # sp172846
    Hi-Tech™ Timing Set by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable engineering staff. It ensures...
    Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies
    $79.95 - $1,855.95
  • ACDelco® - GM Genuine Parts Engine Timing Chain Tensioner
    ACDelco®GM Genuine Parts Engine Timing Chain Tensioner
    0
    # sp262562
    GM Genuine Parts Engine Timing Chain Tensioner by ACDelco®. Timing Chain Tensioner. GM Genuine Parts Engine Timing Chain Tensioner are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine...
    Provides consistent tension to help keep engine running in proper timeGM-recommended replacement part for your GM vehicle's original factory component
    $31.60 - $85.37
  • ACDelco® - GM Genuine Parts Engine Variable Valve Timing (VVT) Adjuster
    ACDelco®GM Genuine Parts Engine Variable Valve Timing (VVT) Adjuster
    0
    # sp262565
    GM Genuine Parts Engine Variable Valve Timing (VVT) Adjuster by ACDelco®. GM Genuine Parts Engine Variable Valve Timing (VVT) Adjuster are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
    Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
    $95.03 - $99.49
  • ACDelco® - GM Genuine Parts™ Engine Timing Chain Guide Rail Plug
    ACDelco®GM Genuine Parts™ Engine Timing Chain Guide Rail Plug
    0
    # sp259505
    GM Genuine Parts™ Engine Timing Chain Guide Rail Plug by ACDelco®. GM Genuine Parts Multi Purpose Threaded Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the...
    Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
    $8.44
  • ACDelco® - GM Genuine Parts™ Engine Timing Chain Oiler Nozzle Seal
    ACDelco®GM Genuine Parts™ Engine Timing Chain Oiler Nozzle Seal
    0
    # sp259506
    GM Genuine Parts™ Engine Timing Chain Oiler Nozzle Seal by ACDelco®. GM Genuine Parts Multi Purpose Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These multi purpose seals help...
    Helps prevent leaks in various components of your vehicleSome GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
    $14.00
  • ACDelco® - GM Genuine Parts™ Engine Timing Chain Tensioner Retainer
    ACDelco®GM Genuine Parts™ Engine Timing Chain Tensioner Retainer
    0
    # sp259508
    GM Genuine Parts™ Engine Timing Chain Tensioner Retainer by ACDelco®. GM Genuine Parts Bolt Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts...
    Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
    $6.09
  • ACDelco® - GM Genuine Parts™ Engine Timing Cover Alignment Dowel
    ACDelco®GM Genuine Parts™ Engine Timing Cover Alignment Dowel
    0
    # sp259509
    GM Genuine Parts™ Engine Timing Cover Alignment Dowel by ACDelco®. GM Genuine Parts Multi Purpose Pins are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE...
    Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
    $7.46 - $11.01
  • ACDelco® - Genuine GM Parts™ Timing Chain Tensioner
    ACDelco®Genuine GM Parts™ Timing Chain Tensioner
    0
    # sp215724
    Genuine GM Parts™ Timing Chain Tensioner by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $9.01 - $109.71
  • Dorman® - OE Solutions™ Timing Chain Tensioner
    Dorman®OE Solutions™ Timing Chain Tensioner
    0
    # sp196886
    OE Solutions™ Timing Chain Tensioner by Dorman®. This engine timing chain tensioner is designed to match the fit and function of the original tensioner on specified applications. Made of quality materials, it is engineered for...
    Direct replacement - this engine timing chain tensioner is designed to match the fit and function of the original tensioner on specified applicationsRecommended for replacement when a new timing chain and pulleys are installed
    $23.19 - $317.10
  • Mahle® - Timing Chain Tensioner
    Mahle®Timing Chain Tensioner
    0
    # sp26279
    Timing Chain Tensioner by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $18.01 - $118.28
  • Mahle® - Timing Set
    Mahle®Timing Set
    0
    # sp251542
    Timing Set by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $28.08 - $748.03
  • Genuine® - Camshaft Gear Lock
    Genuine®Camshaft Gear Lock
    0
    # sp121901
    Camshaft Gear Lock by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using state-of-the-art...
    Made with precision and quality in mindDesigned to meet your specific needs
    $4.11 - $15.83




Whatever the configuration of your engine’s cam drive, we have the parts to restore precision valve timing and performance, and quiet operation. Timing gears, and timing chain and cam and crank sprockets, should always be replaced in sets. On OHC engines, the tensioner(s) and chain guides should be replaced at the same time as the chain and sprockets. And if the chain has rubbed a hole in your timing cover or it’s otherwise damaged, there’s no need to go to the dealer because we have OE spec covers right here on our digital shelves, along with gaskets and everything else needed to complete installation.

Lining up the timing marks on the cam and crank sprocket will suffice when building a stock motor, but that degree of accuracy isn’t good enough on a performance engine. The marks on some timing sets can be off by 2 or 3 degrees, which may not sound like much, but such deviation can reduce engine output by as much as 50 horsepower! A performance cam should be set with a degree wheel upon installation, and there must be a means to adjust the cam timing.

We offer quality roller timing sets with various means to adjust cam timing. Some have a choice of keyways in the crank sprocket, while others have offset bushings or slots for cam sprocket adjustment. This not only enables you to set the cam to the manufacturer’s specs, but you can advance or retard cam timing to suit where you want to make power. In general, advancing the cam opens the intake valve sooner for more low-end torque, and retarding it closes the intake valve later for more high RPM power. We also have quick access timing cover setups to make adjustment easy.

If you’re looking for even greater durability and timing accuracy, consider converting your chain and sprockets to a gear drive or belt drive arrangement. A gear drive setup has a cam and crank gear with one or two idler gears. The possibility of chain stretch is eliminated, for consistent cam timing, plus you get a characteristic blower-like gear whine. Belt drives offer infinite adjustability for accurate cam timing, plus the belt absorbs crankshaft harmonics and vibration. Offered for both wet and dry installation, belt drives also deliver increased durability while creating less frictional loss.

Although most of our performance cam timing offerings are for OHV applications, there’s no need to feel neglected if you have an OHC or DOHC engine. Here you’ll find CNC machined cam gears for both timing chains and belts with laser-etched timing marks for precise cam timing adjustment. These gears are made from high grade billet aluminum for light weight and durability, and hard anodized to prevent wear. We also have heavy-duty chain tensioners for selected applications that eliminate chain slack even under low oil pressure conditions, and two-piece timing covers that allow easy cylinder head removal.

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Timing Gears, Chains & Covers Reviews

43 reviews
4 of 5
First Tme Using This Brand
Time will tell how well these parts perform over the long term, as this is my first time using this brand. Everything I could find to read about DNJ engine components was positive. Having received and examined them, they seem like good quality well made parts. Having installed them I find the fit and finish to be top quality. So far I find nothing negative about DNJ engine components. Being a mechanic for the better part of 50 years I can spot junk/cheaply made parts from a long way off!
Posted by Douglas (Beaverton, OR) / January 28, 20202000 Jeep Grand Cherokee
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