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Perfect Circle MB4119VXU24 BBC Upper Main Bearing Set for Billet Aluminum Blocks

Manufacturer

Picture for manufacturer Perfect Circle

Part Number

MB4119VXU24
7 reviews
Sale Price

$362.70

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Perfect Circle MB4119VXU24 is a precision-engineered upper main bearing set designed specifically for Big Block Chevy (BBC) engines built with billet aluminum blocks. These bearings are manufactured to exacting tolerances to provide reliable performance in high-performance and racing applications where billet aluminum blocks are commonly used.

Key Features:

  • Designed specifically for BBC engines with billet aluminum blocks
  • Upper main bearing halves only (block side installation)
  • Precision-manufactured to OEM specifications for proper clearances
  • High-quality bearing material for durability under demanding conditions
  • Direct replacement for worn or damaged upper main bearings

Perfect Circle bearings are engineered to meet the demands of performance engine builders who require reliable components that maintain proper oil clearances and protect crankshaft journals. This bearing set is essential when rebuilding or freshening up BBC engines using billet aluminum block construction.

Found what I was looking for

Great prices fast shipping highly recommended

Good experience.

Easy to purchase

Product works a designed. Shipping time was great even in the middle of the Christmas and New year.

I mistakingly ordered two of the product. someone from customer service contacted me to verify it I actually wanted two. So we cancelled the extra order. Most companies would not go that step in customer service, much appreciated. The product arrived really fast and was exactly what I ordered and worked perfectly.

I ordered the wrong part

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