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ACL Bearings 5M1683P-40 Main Bearing Set Undersize - 0.040

Manufacturer

Picture for manufacturer ACL Bearings

Part Number

5M1683P-40
5 reviews
Sale Price

$32.99

Estimated ship date Saturday, December 05

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Product Details

The ACL Bearings 5M1683P-40 is a precision-engineered main bearing set designed for demanding engine applications. This set features 0.040" undersize dimensions to accommodate reground or undersized crankshafts, making it an essential component for engine rebuilds and performance applications.

Key Features:

  • Trimetal construction with advanced metallurgy for superior strength and fatigue resistance
  • Hardened steel backing provides enhanced support and improved retention in the housing
  • Increased crush factor ensures secure bearing retention during operation
  • Precision-ground bearing surfaces for optimal oil film formation and load distribution
  • Engineered for both OEM replacement and performance applications
  • Manufactured to ISO quality standards for consistent performance

ACL has been manufacturing precision engine bearings in Tasmania, Australia for over 70 years, earning a global reputation for quality, innovation, and performance. These bearings are suitable for a wide range of engine builds, from street performance to professional racing applications.

Products specifications

Size

040

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