Mercury & Mariner Outboard Powerhead Stud Mounting Kits

Explore our premium Stud Mounting Bolt Kits from Red Rhino, specially engineered for Mercury & Mariner outboard powerheads. Whether you're restoring a 3.0 L engine (1994–2010), a classic V6 (1979–2010), or L3/L4 builds (1988–2010), we offer high-quality kits—including studs, bolts, nuts, and washers—designed for reliable, marine-grade performance. Count on OB Parts for durable internal engine parts that keep your powerhead running strong.