Perfect Circle Main Set

The Perfect Circle Main Set line covers engine main bearing gasket sets and rear main seal sets for rebuilds and resealing. Each set is designed to seal the crankshaft area, which helps keep oil in the engine and keeps contaminants out. Depending on the application, these sets are also called main bearing gasket sets, rear main seal sets, or crankshaft rear seal kits.

Key Features:

• Made by Perfect Circle, a long-established name in engine sealing products
• Helps prevent oil leaks at the crankshaft main bearing and rear main seal area
• Made for engine rebuilds, resealing jobs, and leak repairs
• Application-specific designs, so each part number is made for its own engine family
• Sealing materials chosen to hold up against engine oil, heat, and pressure

Choose the variant that matches your engine to get a dependable seal. Perfect Circle sets are a practical choice for professional engine builders and for DIY mechanics.