King Engine Bearings CR4263SI1.0 SI-Series Connecting Rod Bearing Set Toyota 1ZZ-FE 1.0mm Oversize

The King Engine Bearings CR4263SI1.0 is a complete connecting rod bearing set engineered for the Toyota 1ZZ-FE engine family in 1.4L and 1.6L displacements. This set is sized at 1.0mm oversize, making it the correct choice for engines with reground or worn crankshaft journals requiring that specific undersize specification.

Part of King's SI-Series, these bearings are built on a bi-metal construction using an aluminum alloy base strengthened with 2.5–3% silicon. This advanced alloy formulation is purpose-built for medium-load OE replacement applications, and is especially well-suited for engines equipped with nodular cast iron crankshafts.

Key Features:

• Bi-Metal SI Construction — Aluminum base alloy enhanced with 2.5–3% silicon for improved strength and wear resistance
• Lead-Free Formula — Environmentally responsible material that meets modern safety standards without sacrificing performance
• Improved Oil Clearance — Designed to reduce wear, increase engine life, and minimize operating noise, vibration, and excess oil flow
• Application-Specific Engineering — King tailors each bearing solution to match the engine's specific demands for optimal fit and performance
• OE Replacement Quality — Engineered to meet or exceed original equipment specifications for reliable, long-lasting engine rebuilds
• 1.0mm Oversize — Correct for crankshafts that have been reground 1.0mm undersize

Cross-Reference Part Numbers: ACL 4B1851A, Clevite CB-1863A, OEM 13041-22020, 13041-22021, 13041-22023, 13041-22024

King Engine Bearings has been a trusted name in precision engine bearing manufacturing since 1960, supplying the OE, aftermarket, and racing markets worldwide. Their TechLab research and development division is recognized as a leading authority in bearing science and material engineering.