What does the +.50mm size mean for these bearings?

The +.50mm designation means these bearings are undersized by half a millimeter (approximately 0.020 inches). They are intended for use when the connecting rod journals on the crankshaft have been machined down by that amount to correct for wear or to achieve a specific build tolerance.

What is the pmax black material?

The pmax black material is part of King Engine Bearings' racing line. It's a tri-metal material designed for improved performance and durability in high-stress engine applications.

Do I need to machine my crankshaft to use these bearings?

Yes, because these bearings are +.50mm undersize, your crankshaft's connecting rod journals must be machined down by 0.50mm to match the bearing size for proper fit and function.

Specifications

Brand: King Engine Bearings
Part #: CR4608XP0.5
UPC: 611500584213

King Engine Bearings Toyota 2ZZ-GE Connecting Rod Bearings (Set of 4) - Size +.50mm

Name: King Engine Bearings Toyota 2ZZ-GE Connecting Rod Bearings (Set of 4) - Size +.50mm
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-toyota-2zz-ge-connecting-rod-bearings--t14-425816
Price: 117.81 USD
Availability: BackOrder

$117.81

On Backorder — Expected to ship by Jun 14, 2026

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

King Engine Bearings CR4608XP0.5 connecting rod bearings for Toyota 2ZZ-GE engines. These are a +.50mm undersize set.

Key Features

Fits Lotus Elise, Lotus Exige, Pontiac Vibe, Toyota Celica, Toyota Corolla, and Toyota Matrix.
Set includes four connecting rod bearings.
Bearings are +.50mm undersize (0.020 inches) for use with a machined crankshaft.
Features King's pmax black material, part of their racing line.
Designed for the Toyota 2ZZ-GE engine.

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About this part

Product Details

King Engine Bearings is known for making solid engine bearings, and this set of connecting rod bearings for the Toyota 2ZZ-GE engine is no different. These bearings are a +.50mm undersize, meaning they are intended for use with crankshafts that have been machined down by 0.020 inches (0.50mm) to correct for wear or to achieve a specific build tolerance. This set includes four bearings, enough for a complete engine rebuild on engines like those found in the Lotus Elise and Exige, as well as the Toyota Celica, Corolla, Matrix, and Pontiac Vibe.

The pmax black material used in these bearings is part of King's racing line, offering improved performance over standard bearings. They are designed to handle the demands of performance applications where oil clearance is critical. When rebuilding an engine, especially one that's seen some miles or is being built for more power, using bearings that are the correct size and made from a durable material is essential for engine longevity and performance. These bearings are a direct replacement for the factory size once the crankshaft has been machined to the specified undersize.