ACL Main Bearing Set for Ford 302 / 351 Cleveland – 5M2107-STD

PRODUCT OVERVIEW

This ACL main bearing set is designed for high reliability in Ford 302 and 351 Cleveland engines. Part Number: 5M2107-STD. Engineered for durability, stable clearances and consistent oil film under demanding conditions.

KEY FEATURES

• High strength overlay plate with reduced thickness for improved fatigue resistance.
• Hardened steel backs on all rod bearings to enhance lining support and retention.
• Increased crush for improved bearing seating and retention in the housing.
• No flash plating on bearing backs to maximise grip between bearing and housing.
• Increased eccentricity to compensate for bore distortion at high RPM.
• Optimised hydrodynamic oil film formation for improved lubrication.
• 3/4 grooved main bearings to balance load-carrying area and oil flow to conrod bearings.
• Tight, consistent wall tolerances to help maintain accurate oil clearances.
• Enlarged ID chamfers where required to suit large fillet radius performance crankshafts.

APPLICATION NOTES

This is a standard size main bearing set (STD). Always confirm part number 5M2107-STD against your engine build specifications and consult your machinist or engine builder to verify correct sizing and clearances before installation.