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ACL 4B1606H-.25 High Performance Rod Bearing Set
The ACL 4B1606H-.25 rod bearing set is engineered for high-performance applications, specifically designed to meet the demands of both track and street driving. With a focus on durability and reliability, these bearings utilize advanced metallurgy and precision engineering to enhance your engine's performance under high RPM conditions.
Key Features
- Constructed with a high-strength overlay plate that features a reduced thickness, optimizing fatigue resistance.
- Hardened steel backs on all rod bearings provide superior support for the bearing lining and enhance retention within the housing.
- Increased crush enhances bearing retention, ensuring stability under extreme conditions.
- Flash plating has been eliminated from the back of the bearings to improve heat transfer and maximize grip between the bearings and housing.
- Enhanced eccentricity compensates for bore distortion at high RPM, facilitating the formation of hydrodynamic oil films.
- 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings, improving lubrication efficiency.
- Tight wall tolerances maintain consistent clearances, crucial for high-performance applications.
- Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring compatibility with aftermarket components.
Specifications
- Size: 0.25 Oversized
- Oil Clearance: Standard
- Half Type: Identical Halves
- Material: Tri-metal with Hardened Steel Backs
- Min Standard Shaft Size: 1.8802 in (47.758 mm)
- Max Standard Shaft Size: 1.8810 in (47.778 mm)
- Min Standard Tunnel Size: 1.9921 in (50.600 mm)
- Max Standard Tunnel Size: 1.9929 in (50.619 mm)
- Max Wall at Crown: 0.0553 in (1.403 mm)
- Max Overall Length: 0.0553 in (19.00 mm)
Product Fitment
Confirmed fitment for the ACL 4B1606H-.25 includes:
- Audi A3 (2005-2020)
- Audi A3 Quattro (2013, 2015-2020)
- Audi A4 (1996-2013, 2015-2022)
- Audi A4 Quattro (2017-2019)
These rod bearings are a crucial upgrade for enhancing your engine's performance and reliability. With their advanced design and materials, the ACL 4B1606H-.25 rod bearing set is suitable for engines that demand precision and strength.
Other Part Numbers:
ACL #acl4B1606H-.25
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Audi A3 | 2005-2011, 2016 | Attraction Plus |
| Audi A3 | 2005-2016 | Ambiente |
| Audi A3 | 2005-2016, 2018 | Attraction |
| Audi A3 | 2006-2011, 2013-2020 | S Line |
| Audi A3 | 2006-2013 | Base |
| Audi A3 | 2007 | LE |
| Audi A3 | 2007 | X Aniversario |
| Audi A3 | 2009-2010, 2012-2013 | Cabrio |
| Audi A3 | 2010-2013 | TDI |
| Audi A3 | 2010 | Sportback 100 Aniversario |
| Audi A3 | 2010 | 100 Aniversario |
| Audi A3 | 2013 | Sportback |
| Audi A3 | 2015-2020 | Premium |
| Audi A3 | 2015-2016 | TDI Komfort |
| Audi A3 | 2015-2020 | Premium Plus |
| Audi A3 | 2015-2016 | TDI Premium Plus |
| Audi A3 | 2015-2016 | TDI Premium |
| Audi A3 | 2015-2016 | TDI Prestige |
| Audi A3 | 2015-2019 | Prestige |
| Audi A3 | 2015-2020 | Progressiv |
| Audi A3 | 2015-2017, 2019-2020 | Technik |
| Audi A3 | 2015-2016 | TDI Technik |
| Audi A3 | 2015-2020 | Komfort |
| Audi A3 | 2015-2016 | TDI Progressiv |
| Audi A3 | 2017-2020 | Select |
| Audi A3 | 2017-2020 | Dynamic |
| Audi A3 | 2017 | Elite |
| Audi A3 | 2019 | Titanium |
| Audi A3 Quattro | 2013 | Base |
| Audi A3 Quattro | 2015-2020 | Technik |
| Audi A3 Quattro | 2015-2020 | Premium Plus |
| Audi A3 Quattro | 2015-2020 | Premium |
| Audi A3 Quattro | 2015, 2017-2020 | Progressiv |
| Audi A3 Quattro | 2015-2020 | Komfort |
| Audi A3 Quattro | 2015-2019 | Prestige |
| Audi A4 | 1996-2013 | Base |
| Audi A4 | 1998 | Avant |
| Audi A4 | 2001, 2009-2013, 2015-2016 | Sport |
| Audi A4 | 2001-2013 | Luxury |
| Audi A4 | 2001 | Basico |
| Audi A4 | 2001-2004 | Confort |
| Audi A4 | 2003-2006 | Vangard |
| Audi A4 | 2003-2009 | Cabriolet |
| Audi A4 | 2003-2006 | Cabrio |
| Audi A4 | 2004-2008, 2017-2018 | S Line |
| Audi A4 | 2005-2013, 2015-2016 | Trendy |
| Audi A4 | 2005-2007 | Elite |
| Audi A4 | 2005-2007 | S Line Sport |
| Audi A4 | 2006 | Limited Edition |
| Audi A4 | 2007-2008 | Cabrio S Line |
| Audi A4 | 2007-2008 | Cabrio Elite |
| Audi A4 | 2008-2013 | Trendy Plus |
| Audi A4 | 2015-2020 | Premium Plus |
| Audi A4 | 2015-2020 | Komfort |
| Audi A4 | 2015-2020 | Premium |
| Audi A4 | 2015, 2017-2020 | Prestige |
| Audi A4 | 2017-2022 | Select |
| Audi A4 | 2017-2022 | Dynamic |
| Audi A4 | 2017-2018 | Progressiv |
| Audi A4 | 2019 | Titanium |
| Audi A4 | 2019 | Sport Limited Edition |
| Audi A4 Quattro | 2017-2019 | Premium Plus |
| Audi A4 Quattro | 2017-2018 | Elite |
| Audi A4 Quattro | 2017-2019 | Progressiv |
| Audi A4 Quattro | 2017-2019 | S Line |
| Audi A4 Quattro | 2017 | Select |
| Audi A4 Quattro | 2017-2019 | Komfort |
| Audi A4 Quattro | 2017-2019 | Prestige |
| Audi A4 Quattro | 2017-2019 | Technik |
| Audi A4 Quattro | 2017-2019 | Premium |
| Audi A4 Quattro | 2019 | Ultra sport |
ACL is a company that specializes in manufacturing and distributing high-quality engine bearings that have played a key role in the Australian automotive parts market.
Based in Launceston, Tasmania, Australia, the company has been in the business for more than 70 years and has become the leading brand when it comes to its market segment.
Throughout the years, ACL has consistently provided top quality products and has become the equipment supplier of multiple Automotive brands such as Lancia, Mazda, Mini, Mitsubishi, Nissan, Peugeot, Subaru, Toyota, Volvo, Suzuki, Renault, SAAB, and more. ACL also provides a replacement product range used by the aftermarket industry.
The company ensures that it maintains its high level of standard by employing manufacturing processes that are ISO certified. They also use the industry’s most advanced tooling equipment and designing software that allows them to create products that are superior in quality. ACL has been known worldwide to create bearings that are durable, innovative, and precise.
ACL also offers bearing used for high-performance applications. The company has been involved in motorsport racing since the 1960s and has manufactured bearings used in Brabham Formula 1. Today, their products are being used in different racing disciplines such as the Australian Supercar Championship, Drag racing, Driftings, and Rally.
Purchase ACL Bearings at Vivid RacingEngine Bearings are a critical component of a vehicle and should not be overlooked. If you want to make sure that what you get is something you could rely on, then ACL is the brand for you. With over 200 engine applications, whether it’s an American, Australian, European, or Asian made vehicle, ACL got you covered. Visit Vivid Racing and check out their list of bearings that would fit your specific needs.
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