Rod Bearing - SBC with Honda 1.888in Journal

The Rod Bearing - SBC with Honda 1.888in Journal (CB-1663H) from MAHLE ORIGINAL/CLEVITE is a precision connecting rod bearing engineered for Small Block Chevy engines running Honda-spec journals. This bearing is essential for any engine builder or mechanic performing a stroker conversion, journal swap, or custom bottom-end assembly where standard SBC journals are being replaced with 1.888-inch Honda-based specifications. Whether you're building a high-revving street engine or a competition powerplant, proper rod bearing selection directly impacts durability, oil film strength, and long-term reliability.

MAHLE ORIGINAL rod bearings are manufactured with strict tolerance control and premium bearing material composition designed to handle the specific load characteristics of your engine's crankshaft and connecting rod geometry. The 1.888-inch journal size indicates this bearing accommodates Honda-sourced crankshaft journals, a common upgrade path for small-block applications seeking improved oiling characteristics and reduced friction losses. The bearing's wall thickness, crush fit, and backing material are precisely engineered to maintain consistent oil clearance under dynamic engine speeds—critical for preventing bearing spin, scoring, and catastrophic engine failure. Installation requires proper alignment, correct torque specifications, and verification of crush and clearance according to your engine's published specifications.

This bearing is ideal for engine builders integrating Honda crank journals into Chevy small-block platforms, restorers performing complete bottom-end rebuilds, and enthusiasts executing modern hybrid powerplant designs. Proper bearing selection and installation are non-negotiable for engine longevity—always pair with a corresponding upper bearing, verify crankshaft journal diameter before ordering, and follow OEM torque sequences during assembly. Each bearing is sold individually; a complete rod bearing set requires purchase of matching quantities for all connecting rods in your engine.