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02-07 Subaru WRX & STI Engine

ACL 02-07 Subaru WRX & STI 0.25mm Oversized High Performance Main Bearing

$134.67

Part Number: acl5M8309H-.25

Description: Main Bearings; Tri-Metal; Upper & Lower; Flange in Position 5

Max Wall at Crown: 0.0789" (2.005mm)

Min Std Shaft Size: 2.3616" (59.984mm)

Min Std Tunnel Size: 2.5197" (64.000mm)

Size: .25

Max Std Shaft Size: 2.3622" (60.000mm)

Max Std Tunnel Size: 2.5205" (64.020mm)

Oil Clearance: Standard

Max Overall Length: 0.748" (19.00mm) w/ 8297H/HX 0.595" (15.12mm) w/ 8298H/HX 0.904" (22.95mm) w/ 8309H/HX Flange

Fitment: 02-07 Subaru WRX & STI

Details:

  • Main bearings

  • .010" Undersized 

  • Made using softer metals 

  • Designed to allow a thin layer of oil lubricates the connection between the bearings and the crank allowing the crank to "float" to reduce wear

Note: Subaru main bearings are specific to either a #5 or #3 journal bearing position. Journal bearing position is not VIN or year specific, it must be known prior to purchase.

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