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King Engine Bearing Main Bearing Set STD Size (15-21 WRX FA/FB)

Item TL-605122
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3 Reviews of King Engine Bearing
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$89.99

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      Product Information

      Features, Description, Q&A

      Features

      • Main Bearing Set for Subaru FA20/FB20, Toyota 4U-GSE
      • OE-Replacement Bi-Metal Material
      • Comprises 5 Pairs of Bearings
      • Designed for Medium-Load Engines
      • Ideal for Engines Using Nodular Cast Iron Crankshafts
      • Bi-Metal SI Material Combines Aluminum with 2.5-3% Silicon
      • Lead-Free Environmental Composite
      • Crankshaft Dimension: 68.01 / 67.98 mm (2.6775 / 2.6765 Inch)
      • Length Positions 1,3: 17.5 mm (0.688 Inch); Positions 2,4: 14.4 mm (0.568 Inch); Position 5: 23.0 mm (0.905 Inch)
      • Thickness: 2.508 mm (0.0987 Inch)
      • Fits 15-21 WRX FA/FB

      Description

      Main Bearing Set. The King Engine Bearing Size STD Main Bearing Set is engineered to provide reliable support and precision for Subaru FA20/FB20 and Toyota 4U-GSE engines. These bearings stabilize the crankshaft, reduce friction, and enhance engine durability under normal operating conditions. As a critical component in engine rebuilding or maintenance, the set ensures smooth and efficient powertrain function.

      Construction and Appearance. Crafted from bi-metal SI material, the bearings combine aluminum with 2.5-3% silicon for improved strength and wear resistance. This lead-free aluminum-based construction makes them suitable for medium-load applications, particularly in engines with nodular cast iron crankshafts. The finish is engineered for durability and environmental safety.

      Installation. Installation requires moderate mechanical skill but does not involve drilling or machining. The bearings are direct replacements that fit into the engine block housing without modification.

      Application. Specifically designed to fit 15-21 WRX FA/FB.

      King Engine Bearing MB5745SI

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.7

      Reviews of King Engine Bearing Drivetrain Products (3)

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