Description
A leaking rear main seal doesn’t just waste oil—it threatens engine longevity and leaves you sidelined during critical race weekends or project builds. The Peterson Fluid SBC 350 Rear Main Seal delivers OEM-quality sealing performance with proven Tri-Tec dual-piece design, engineered to handle the demands of high-revving Small Block Chevy engines. Whether you’re rebuilding after a race season or addressing a slow seep, this seal restores reliable, dry engine compartments without compromise.
- Peterson Fluid Tri-Tec design
- Two-piece configuration
- PTFE sealing material
- Small Block Chevy 350 fitment
- GM V6 compatible
- MPN: SM86625
- Sold individually
- Bolt-on replacement






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