King Main Engine Bearings - For MINI Gen 1

Perfect for high-quality rebuilds and reliable engine refreshes, King SI Series Main Bearings offer OE-level performance with enhanced durability. Designed for the MINI R53 Cooper S, JCW, and GP with the 1.6L supercharged Tritec engine.

The SI (Silver Line) series features a durable bi-metal aluminium alloy construction, providing excellent wear resistance and load handling for standard and mildly modified engines. With precision manufacturing and consistent oil clearance control, they ensure smooth engine operation and long-term reliability.

If you're rebuilding your R53 engine and want trusted, dependable components King’s SI Series bearings are the perfect solution.

Key Features:

• Fits MINI R53 Cooper S, JCW, and GP (1.6L Supercharged)

• King SI Series – ideal for standard rebuilds and performance use

• Bi-metal aluminium alloy for strength and durability

• OE-fitment with consistent oil clearance control

• Cost-effective solution for reliable engine performance