FOR MERCURY 2:1 RATIO (20'' SHAFT)

2:1 reduction ratio, well-suited for Mercury 2.0L, 2.4L, and 2.5L engines that require a 20″ shaft length—matching OEM specifications

Key Features

• Robust construction: Manufactured using SEI’s refined tooling and specialty processes, ensuring high durability and precision performance

• Comprehensive warranty: Backed by a three-year “fault‑free” warranty covering failures due to lack of oil, impact, fishing line damage, neglect, and common abuse—providing long-term peace of mind

Technical Specs

• Ratio: 2:1

• Shaft length: 20″

• OEM reference: 9148A81