Welch Plug for Briggs Raptor Engine Cylinders - Superseded by 691585

Internal seals matter—the Welch plug (SKU: 555105) fortifies your Briggs Raptor. Superseded by 691585, this domed steel disc presses into castings to route fluids correctly.

Leaky plugs waste oil and pressure; this ensures containment, supporting higher revs without loss. It's a quiet hero for maintaining compression and track pace.

• Expansion-fit design for permanent hold
• Protects against corrosion in wet environments
• Facilitates clean rebuilds for organized shops

Use it to build engines that run true, minimizing variables for pure speed focus.