What does '0.25 Oversized' mean for these bearings?

This means the bearings are manufactured to be 0.25mm larger in diameter than the standard factory size. This is typically used when rebuilding an engine where the crankshaft journals have been machined down slightly due to wear or to prepare for a performance build.

What is the advantage of using high-performance bearings?

High-performance bearings like these are constructed with materials and designs that can better withstand the increased stresses and heat generated by modified or performance-tuned engines. They often offer improved oil control and durability compared to standard bearings.

What is the best way to install these main bearings?

Proper installation is critical. Always ensure the crankshaft journals and bearing surfaces are perfectly clean and use a quality engine assembly lubricant on both the bearings and journals before installation. Refer to the manufacturer's service manual for precise torque specifications and procedures.

ACL Hyundai G4KF 2.0T 0.25 Oversized High Performance Main Bearing Set

Specifications

Brand: ACL
Part #: 5M1295H-.25
UPC: 9315726437353

ACL Hyundai G4KF 2.0T 0.25 Oversized High Performance Main Bearing Set

Name: ACL Hyundai G4KF 2.0T 0.25 Oversized High Performance Main Bearing Set
Brand: ACL
Price: 221.75 USD
Availability: InStock

$221.75

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ACL Hyundai G4KF 2.0T 0.25 Oversized High Performance Main Bearing Set. This set is 0.010 inches larger than stock to help rebuild worn engines.

Key Features

Fits Hyundai Genesis Coupe (2010-2012), Sonata (2011-2013), Kia Forte Koup (2010-2013), Kia Forte (2010-2013), Kia Optima (2011-2013), and Kia Sportage (2011-2013).
This is a 0.25mm (approximately 0.010 inch) oversized main bearing set.
High performance overlay material for durability and oil film retention.
Designed for performance applications and modified engines.
Well-built by ACL, a reputable engine bearing manufacturer.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

You get a full set of main bearings in this kit, which means one box handles the critical bottom-end rotating assembly for your engine rebuild. These ACL bearings are built for performance applications, meaning they're made to handle the extra stress and heat that comes with a tuned or modified G4KF 2.0T engine. They are 0.25mm (which is about 0.010 inches) larger than stock, making them ideal for engines that have seen some wear and need a fresh start with a slightly larger journal diameter.

ACL has been making engine bearings for a long time, and they're known for their well-built products. This set uses a high-performance overlay material that's designed to be durable and provide good oil film retention, even under demanding conditions. When you're rebuilding an engine, especially one that's going to be pushed a bit harder, using bearings that can handle the load is crucial for longevity. These are a solid option if you're looking to get your Hyundai Genesis Coupe, Sonata, or Kia Forte, Optima, or Sportage back in top shape.

When installing these bearings, make sure to follow the manufacturer's torque specifications and use a quality assembly lube. Cleanliness is also key during engine assembly; any debris can compromise the bearing surface. This set is designed to fit the specified Hyundai and Kia models, ensuring a proper fit for your rebuild project.