1. Engine Bearings Parts
  2. sku: 12796310595769673
  3. MAPERFORMANCE 5M8309HX-STD

MAPERFORMANCE 5M8309HX-STD Race Rod Bearings Oil Thurst 675505423540 4B8296HX-STD .001 For

fits model: Sti, Wrx. make: Subaru. year: 1998–2014.

Maperformance 5m8309hx-std 4b8296hx-std Acl Race Main And Rod Bearings .001 Oil Thurst #5 For 98-17 Subaru Sti / 98-14 Wrx

( Brand: Maperformance ), ( Part Type: Bearing Oil Rod ), ( Manufacturer Part Number: 5M8309HX-STD 4B8296HX-STD ), ( Ipn: 5m8309hx-std ), ( Fitment Type: Performance/custom ), ( UPC: 675505423540 )

Review MAPERFORMANCE 5m8309hx-std 4b8296hx-std Acl Race Main And Rod Bearings .001 Oil Thurst #5 Subaru fits STI WRX 1998–2014

Introducing the MAP Performance ACL Race Rod Bearings 001, a high-performance solution for Subaru STi and WRX models from 1998 to 2017. These race-grade rod bearings, specifically the 5M8309HX-STD and 4B8296HX-STD variants, are meticulously engineered to enhance the durability and reliability of your Subaru's engine.

Designed with a precision-machined, steel backing plate, these rod bearings offer exceptional strength and rigidity. They are also equipped with a billet steel, high-load, full-contact design that ensures superior support for your piston rods. This results in reduced friction and improved engine efficiency, delivering a smoother and more responsive driving experience.

Moreover, the MAP Performance ACL Race Rod Bearings are manufactured using a state-of-the-art, controlled-environment process. This ensures consistent dimensions and ensures a perfect fit for your Subaru engine. Each bearing is also subjected to rigorous testing to ensure they meet the highest standards of quality and performance.

The 001 oil thrust design of these rod bearings ensures optimal oil distribution and reduces the risk of damaging scuffing. The bearings are also compatible with both factory and aftermarket piston rings, making them a versatile choice for Subaru enthusiasts.

In summary, the MAP Performance ACL Race Rod Bearings 001 are an excellent upgrade for Subaru STi and WRX owners seeking enhanced engine performance and reliability. With their robust design, superior support, and optimized oil distribution, these rod bearings are sure to provide your Subaru with a more responsive and efficient driving experience.

Maperformance ACL Race Rod Bearings (5M8309HX-STD, 4B8296HX-STD) for Subaru STI/WRX (98-17): A Detailed Analysis

The Maperformance ACL Race Rod Bearings (Part Numbers: 5M8309HX-STD and 4B8296HX-STD) are popular upgrades for Subaru STI and WRX models from 1998 to 2017. In this analysis, we will discuss the potential advantages and disadvantages of installing these bearings.

Advantages of Maperformance ACL Race Rod Bearings:

1. Enhanced Durability: ACL Race Rod Bearings are designed for high-performance applications. They offer increased durability compared to OEM bearings, making them suitable for track use or high-power applications.

2. Reduced Engine Noise: These bearings are known for their ability to reduce engine noise, which can be beneficial for those seeking a quieter driving experience.

3. Improved Performance: Upgrading to ACL Race Rod Bearings can lead to improved engine performance, as they allow for more consistent oil film thickness and better support for the crankshaft.

Disadvantages of Maperformance ACL Race Rod Bearings:

1. Cost: Maperformance ACL Race Rod Bearings are more expensive than their OEM counterparts. This may be a deterrent for some buyers who are looking to save costs.

2. Installation Complexity: Installing these bearings requires additional steps compared to OEM bearings. This may include the use of specialized tools and additional labor costs.

3. Potential for Noise: Although these bearings are designed to reduce engine noise, some users have reported experiencing increased noise after installation. This could be due to the tighter tolerances of the bearings or other factors.

Conclusion:

The decision to purchase Maperformance ACL Race Rod Bearings (5M8309HX-STD and 4B8296HX-STD) for your Subaru STI or WRX (98-17) depends on your specific needs and priorities. If you're looking for increased durability, reduced engine noise, and improved performance, these bearings are worth considering. However, if you're concerned about the cost, installation complexity, or potential for increased noise, you may want to weigh these factors against the benefits before making a purchase. Ultimately, the choice is yours based on your driving style, goals, and budget.

Recommendation:

If you're planning to use your Subaru STI or WRX for high-performance applications, track days, or simply want to enhance your driving experience with better performance and durability, then investing in Maperformance ACL Race Rod Bearings is a recommended upgrade. However, if you're looking for a cost-effective solution or prefer a quieter driving experience, you may want to consider other options or consult with a professional mechanic to determine the best choice for your specific needs.

Details:

Denote: Race Series .001 Extra Clearance. Part Number: 5M8309HX-STD 4B8296HX-STD. For listings with free shipping, it only applies within the continental 48 states. ACL Race Main Rod Bearings .001 Oil Thurst #5 for 98-17 Subaru STI / 98-14 WRX.

specifications engibearing:

  • for models: Sti, Wrx
  • for makes: Subaru
  • for years: 1998-2014
  • brand: Maperformance
  • part type: Bearing Oil Rod
  • manufacturer part number: 5M8309HX-STD 4B8296HX-STD
  • interchange part number: 5M8309HX-STD
  • fitment type: Performance/custom
  • upc: 675505423540

seller engibearing:

  • city: Wrightstown, Wisconsin
  • # reviews: 72232
  • rating: 99.5%

returns engibearing:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

general engibearing:

  • Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings
  • condition: New

offer engibearing:

  • started: February 15, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

shipping engibearing:

  • cost: $0.00
  • service: Standard
  • transit: 4-8 Days
  • class: Standard
  • type: Fixed

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  • credit card: Diners-club
for models: sti, wrx, for makes: subaru, for years: 1998-2014, part type: bearing oil rod, fitment type: performance/custom,
category: auto parts > car truck parts accessories > engines engine parts > engine bearings, sku: 12796310595769673,

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