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  See more parts for Nissan Sentra
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ACL Nissan CA18/C20 Standard Size High Performance Rod Bearing Set 4B1630H-STD - 4B1630H-STD

ACL Race Series Engine Bearings - 4B1630H-STD

For those of you who are serious about performance, the ACL Race Series Engine Bearings (part number 4B1630H-STD) are engineered to meet the demands of high RPM applications. These bearings are crafted from a unique tri-metal composition that combines advanced design, metallurgy, and engineering to provide the durability and performance you expect from top-tier engine components. Whether you're pushing your Nissan Pulsar or Sentra to its limits, these bearings are designed to keep your engine running smoothly under pressure.

Features

  • High-strength overlay plate with reduced thickness to enhance fatigue resistance.
  • Hardened steel backs on all rod bearings for improved support and retention within the housing.
  • Increased crush for better bearing retention, ensuring your engine components stay in place.
  • Elimination of flash plating on the back to enhance heat transfer and grip.
  • Increased eccentricity to counteract bore distortion at high RPMs, promoting effective hydrodynamic oil film formation.
  • 3/4 grooved main bearings to maximize load-bearing surface area and optimize oil flow to your conrod bearings.
  • Tight, consistent wall tolerances to maintain precise clearances in your engine.
  • Enlarged ID chamfers on bearing edges to accommodate large fillet radii on performance crankshafts.

Technical Specifications

  • Size: STD
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Standard Shaft Size: 1.7701"
  • Max Standard Shaft Size: 1.7701"
  • Min Standard Tunnel Size: 1.8898"
  • Max Standard Tunnel Size: 1.8903"
  • Max Wall at Crown: 0.0593"
  • Max Overall Length: 0.7323"

Product Fitment

  • Nissan Pulsar: 1987-2005
  • Nissan Sentra: 1982-2018

Customer Feedback

One Nissan Pulsar owner shared, "After installing the 4B1630H-STD bearings, I noticed a significant improvement in my engine's responsiveness, especially at higher RPMs. They fit perfectly and have held up even during my track days." Another Sentra enthusiast mentioned, "These bearings are a game changer! My engine runs smoother, and I have more confidence during hard cornering." With these ACL bearings, you can trust that your engine will perform at its best, mile after mile.

Other Part Numbers:
ACL #acl4B1630H-STD

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Nissan Sentra 1982-1986 DX
Nissan Sentra 1982-1990, 1993, 1995-1998, 2004-2012 Base
Nissan Sentra 1983-2006 XE
Nissan Sentra 1984-1994, 1998-2001 SE
Nissan Sentra 1987-1989, 1991-1994 E
Nissan Sentra 1987-1988, 1991-2006 GXE
Nissan Sentra 1990 4x4
Nissan Sentra 1991-1993 Classic
Nissan Sentra 1991-1994, 2002-2012 SE-R
Nissan Sentra 1994, 2003 Limited Edition
Nissan Sentra 1995-1998 GLE
Nissan Sentra 1996-2000 GSX
Nissan Sentra 1996-2000 GST
Nissan Sentra 1996-2000 GSS
Nissan Sentra 2001-2002 CA
Nissan Sentra 2002-2012 SE-R Spec V
Nissan Sentra 2002-2006 GXE Sport
Nissan Sentra 2003-2004 LE
Nissan Sentra 2004-2018 S
Nissan Sentra 2006 XE SE Edicion Especial
Nissan Sentra 2006 XE SE
Nissan Sentra 2007-2012 Custom
Nissan Sentra 2007-2018 SL
Nissan Sentra 2007-2012 Emotion
Nissan Sentra 2007-2010 Premium
Nissan Sentra 2008-2010 Luxury
Nissan Sentra 2009-2018 SR
Nissan Sentra 2011-2012 Elite
Nissan Sentra 2013-2018 Advance
Nissan Sentra 2013-2018 Exclusive
Nissan Sentra 2013-2018 SV
Nissan Sentra 2013-2016 FE+S
Nissan Sentra 2013-2014 FE+SV
Nissan Sentra 2013-2018 Sense
Nissan Sentra 2017-2018 Nismo
Nissan Sentra 2017-2018 SR Turbo

ACL Banner

Who is ACL?

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 Racing

Engine 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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