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$379.95
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The King Performance pMaxKote Main Bearing Set is engineered for serious street and race builds using Subaru’s FA20/FB20/FB25 engines. Designed in STD size with extra oil clearance, this set is ideal for forged steel crankshafts, higher RPM, and sustained high-load operation in performance-tuned Subaru BRZ, WRX, Forester, Impreza and Toyota 86 applications.
Built on King’s proven XP tri-metal race bearing platform and finished with the pMaxKote nano-composite polymer coating, these mains deliver outstanding load capacity, stability and protection against wear, cavitation and oil starvation. The coating is applied at the factory as part of the manufacturing process, so the original precision wall thickness is maintained while adding an additional protective layer.
If you are building a high-performance FA20, FB20 or FB25 engine for track, circuit, off-road or demanding street use, this King pMaxKote main bearing set provides the extra margin of safety and durability needed when increasing power, RPM and cylinder pressures.
Features and Benefits
STD size with extra oil clearance – Suits performance builds that require increased oil film thickness and stability at high RPM and load.
XP tri-metal race bearing construction – Enhanced copper-lead structure with nickel barrier delivers 15–30% greater load capacity than traditional bearings.
pMaxKote nano-composite coating – Factory-applied polymer layer over pMaxBlack overlay improves wear, seizure and cavitation resistance without altering wall thickness.
Superior protection under harsh conditions – Designed to guard against metal-to-metal contact, oil starvation and the erosive effects of cavitation in high-stress engines.
pMaxBlack hardened overlay – Tri-metal structure is 24% harder than conventional race bearings, increasing fatigue strength and durability.
Bull’s Eye Tolerance – Extremely tight wall tolerances with shells matched to 0.0001" for consistent clearances and oil film control.
Improved oiling design – Enlarged, chamfered oil holes and medium eccentricity promote better oil flow and optimum load distribution.
1/2-grooved mains – Maintains oil supply while preserving lower shell load capacity for high cylinder pressure applications.
SecureBond adhesion process – Ensures superior bonding between layers for stability under extreme loads and temperatures.
Optimised geometry for race use – Increased bearing height and narrowed design help improve heat transfer and accommodate large-radius crankshafts.
Technical Specifications
Product: King Performance pMaxKote Main Bearing Set
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| SKU:
MB5745XPGCSTDX
