Crankshaft Bearings with Polymer Cage Stage6 R/T and FKM Oil Seals High-performance engines demand precision.

This Stage6 R/T crankshaft bearing set pairs SKF-approved bearings with premium orange FKM oil seals, engineered for racing applications on Peugeot vertical Euro 2 engines (post-2004).

The polymer cage design delivers reduced friction and increased elasticity compared to metal alternatives, supporting speeds up to 20,000 RPM. Ideal for racing builds, the polymer version requires attention to carburetor and ignition tuning — maximum sustained bearing temperature must not exceed 120°C to protect the cage material. Not suitable for engines with catalytic converters.

The advanced FKM oil seals extend service life and minimize friction for improved engine efficiency.

• 1x SKF 6204-C4 crankshaft bearing (20x47x14mm, polymer cage)
• 1x SKF C4 crankshaft bearing (20x52x12mm, polymer cage)
• 1x FKM oil seal 20x30x5(6.5)mm
• 1x FKM oil seal 15.6x25.5x7mm
• Installation Note : Position the half-open bearing side toward the crankshaft webs.
• Proper lubrication and correct installation are essential for longevity.