This ACL High Performance connecting rod bearing set uses the Standard size fit for a factory, unmachined crankshaft, machined with extra oil clearance for the Toyota 4AGE/4AGZE 1.6L engine — fitting the Toyota Corolla and MR2, and the Geo Prizm.
Specifications:
- Type: Rod Bearing Set
- Size: Standard, with Extra Oil Clearance
- Engine Fitment: Toyota 4AGE / 4AGZE 1.6L
- Vehicle Platform: Toyota Corolla, Toyota MR2, Geo Prizm
- Part Number: 4B1780HX-STD
FAQ
What does the extra oil clearance spec mean?
It means the bearing is machined with additional running clearance beyond standard spec, often used in higher-RPM or racing applications, while keeping the Standard size fit for a factory, unmachined crank.
What vehicles does this fit?
The Toyota Corolla (including FX16, GTS, and All-Trac trims), Toyota MR2, and Geo Prizm, equipped with the 4AGE or 4AGZE 1.6L engine.
Is this a rod or main bearing set?
This is a rod (connecting rod) bearing set only.

