Mercury - BRV2 23 LH AL - 48-18619A42. The Mercury - BRV2 23 LH AL - 48-18619A42 propeller is expertly crafted to deliver reliable, balanced performance for boaters using Bravo Two drives. Designed with a 23-inch pitch and left-hand rotation, this aluminum prop ensures smooth acceleration, solid mid-range control, and lasting durability in various marine conditions.. Key Features. Left-Hand Rotation - Ideal for dual-engine setups where counter-rotation is required. 23-Inch Pitch - Balanced for d