Yamaha - Rocker cover 1 - YA2-63155-05-03 MerCruiser-4-3L-TKS-Bravo-2020 Maintains proper serpentine belt tension

Maintains proper serpentine belt tension and alignment

Material: Made from premium marine-grade rubber elastomer that stays flexible across a wide temperature range

corrosion-resistant steel canister

The RAP-S-KNOB5U offers the ideal amount of leverage to properly tighten your mount to prevent slippage in heavy chop or in extreme vibration environments

No harsh chemicals

Yamaha - Rocker cover 1 - YA2-63155-05-03 MerCruiser-4-3L-TKS-Bravo-2020 Maintains proper serpentine belt tensionYA2 63155 05 03 ROCKER COVER 1 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.