Clevite MB3829HL25 H-Series Main Bearing Set NASCAR Custom 2.017" Journal

The Clevite MB3829HL25 is a custom NASCAR performance main bearing set engineered specifically for high-performance and racing engines with 2.017-inch journal diameter crankshafts. This bearing set is sold in a bulk pack of 25 sets, making it ideal for racing teams and engine builders.

H-Series Performance Features:

• Tri-metal construction with hardened steel backing, copper-lead intermediate layer, and electroplated babbitt overlay
• Medium level of eccentricity with high crush factor for secure retention
• Enlarged chamfers at bearing sides for improved crankshaft fillet clearance
• No flash plating for superior seating and bore contact
• Additional bearing clearance (HL suffix) for race applications
• 180-degree oil groove in upper shell for optimal rod bearing lubrication

NASCAR Racing Heritage:

Clevite H-Series bearings were originally developed for NASCAR racing and have proven their reliability in the most demanding competition environments. These bearings feature carefully selected overlays designed to withstand medium-to-high engine speeds while providing excellent load capacity and durability.

Application:

Custom bearing designed for NASCAR and high-performance engines with 2.017-inch main journal diameter. Suitable for blown fuel engines and applications requiring enhanced crankshaft deflection resistance.