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    • (1 review)
      # sp23906
      Performance Valve Cover by Spectre®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All products are designed to...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $22.03 - $144.00
    • (0 reviews)
      # sp26271
      Performance Piston Ring by Mahle®. Second Ring Material: Cast iron. Second Ring Facing Material: Cast iron. MAHLE pioneered the use of piston ring simulation and computer development tools to develop rings that provide "free"...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.68 - $175.61
    • (0 reviews)
      # sp26276
      Sport Compact Rings by Mahle®. Oil Ring: 2.5mm. Ring Type: Pre Fit. Ring Series: Sport Compact. Second Ring: 1.2mm. Top Ring: 1.2mm.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.94 - $134.77
    • (0 reviews)
      # sp21956
      Performance Valves and Valvetrain Parts by GSC Power-Division®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.89 - $807.50
    • (0 reviews)
      # sp20854
      Dual Valve Spring by Lunati®. 16 piece set. Includes Damper Spring. Outside Diameter Of Outer Spring: 1.440". Inside Diameter Of Outer Spring: 1.096". Inside Diameter Of Inner Spring: 0.750". Lunati Valve Springs are manufactured...
      $137.38 - $153.82
    • (0 reviews)
      # sp20900
      Single Valve Spring by Lunati®. 16 piece set. Includes Damper Spring. Outside Diameter Of Outer Spring: 1.260". Inside Diameter Of Outer Spring: 0.876". Coil Bind: 1.028". Kits include: springs, retainers, locks and all other...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $88.30 - $108.87
    • (0 reviews)
      # sp20933
      Valve Spring Kit by Lunati®. Based around the Lunati Signature Series Valve Springs, the Signature Series Valve Spring Kits are ideal for high stress applications such as professional drag and oval track racing. Every retainer,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.10 - $888.54
    • (1 review)
      # sp3774
      Adjustable Cam Gear by Fidanza®. Increase the power of your engine with this high-class part. Made of premium aluminum, the cam gear is CNC-machined for exact fit and anodized for superior durability.
      $109.02 - $158.04
    • (0 reviews)
      # sp2745
      Timing Cover Kit by Spectre Performance®. Each timing cover is built to meet or exceed all OE specifications and is validated for fit, form, and function.
      $19.58 - $33.84
    • (2 reviews)
      # sp9009
      Premium Wrench-Off Oil Filter by K&N®. Never wrestle with a stuck oil filter again. The Wrench-Off Canister Oil Filter can be easily removed with a socket or wrench.
      $7.26 - $55.08
    • (0 reviews)
      # sp32256
      Performance Oil Filters and Relocation Kits by System 1®. This Billet Chevrolet Non Bypass Block Adapter is designed to take the place of the stock Chevrolet cast spin-on bypass adapter that your oil filter spins onto. It is...
      $10.13 - $219.80
    • (0 reviews)
      # sp21783
      R4 Wet Sump Pump by Peterson Fluid Systems®. Their Wet Sump Pumps are built around our Patent Pending 4 lobe rotor which provides excellent oil pressure and flow in excess of 30 GPM on the High Volume pump for the highest need...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $783.51 - $825.99
    • (0 reviews)
      # sp28948
      Stainless Steel Oil Dipstick by Milodon®. Stainless Steel Oil Dipstick by Milodon®, 1 Piece. Includes Dipstick Tube. Dipstick assemblies are made of CNC'd billet stainless steel that will not tarnish like aluminum. Flexible oil...
      $55.95 - $82.95
    • (0 reviews)
      # sp10285
      Intercooler Kit by GReddy®. The addition of a GReddy intercooler is one of the best ways to safely increase horsepower in a turbocharged engine. By reducing the engine's inlet temperatures, a denser air charge will enter the...
      High performance and cost effectiveFor low to low to medium-high boost level and high boost levels on higher horsepower or upgraded turbo engines
      $256.50 - $1,615.00
    • (0 reviews)
      # sp10287
      LS-Spec Intercooler by GReddy®. The addition of a GReddy intercooler is one of the best ways to safely increase horsepower in a turbocharged engine. By reducing the engine's inlet temperatures, a denser air charge will enter the...
      High performance and cost effectiveLower weight compared to previous Spec M model
      $256.50 - $693.50




    Guides & Articles

    • Performance Engine Cooling
      Auxiliary Oil Coolers Keep Engine Oil Temperature Under Control
      You may have seen Performance Engine Oil Coolers for sale on our website or elsewhere, and your first reaction may have been "who needs one of those? Not I." We can't say we blame you if your presumption is that either a) your engine is cooled by liquid antifreeze/coolant, so this thing can't be for you; or b) the word "performance" led you to conclude that hot-rodders are the primary target for these add-ons. In fact, if you tow a trailer, or tend to load up your SUV to the max, or drive at high speeds in very hot summer climes, you just might be the real target customer for an engine oil cooler. Allow us to provide some educational background on motor oil, and the critical roles (plural) it plays. Please read on!
    • Replacement Engine Parts
      Fan Belt? Alternator Belt? Serpentine Belt? Similarities and Differences
      Look up "fan belt" in any modern automotive dictionary, and you'll typically find a definition that reads, "An endless belt used to transmit power from a crankshaft-driven pulley to a pulley driving the fan, alternator, or other engine accessory. It is usually V-shaped in cross section with the point of the V fitting into a groove in the pulley".
    • Replacement Engine Parts
      Timing Gears, Chains And Belts Keep Your Camshaft Correctly Timed!
      Does your ride have timing gears, a timing belt, or a timing chain? Is one better than the other? And perhaps most importantly, do I need to be concerned about the recommendation to replace the timing belt at a certain mileage interval? Welcome to our discussion of "engine timing".
    • Replacement Engine Parts
      Glossary of Engine Internal Parts
      Internal combustion engines are extremely complex and feature a wide array of components that rotate, move up and down, pump, seal, or remain stationary. When repairing or rebuilding your engine, you will come across many different terms when referencing repair manuals and ordering parts. We know it can be confusing, especially when the repair is complex. Even if you are paying a professional to do the work, it’s good to be conversant with the topic. In order to help you understand the terminology of engine components, we’ve created the following glossary, listed in alphabetical order.

    Popular Products

    Kia Optima Performance Engine Parts Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Great Product
    It is made of tough molded plastic. So I am able to make it as tight as I want. And I am sure it will not fail. This cap works as it should, so I am very pleased.
    NPosted by Nhon (Worcester, MA) /
    2005 Kia Optima
    Was this review helpful for you? Yes
    Kia Optima Models
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