Part No: AR-XX-XXXX (various, per application)

All fixtures that utilize the 2" Diameter Precision Support Bar for block support also utilize a pair of precision Main Bearing Bore Adapter Rings to center the bar in the main bearing bores of the block.

Adapter Rings are application specific and available for all engine applications. More than twenty of the most popular sizes are kept in stock for immediate delivery. Specials are available upon request with a short lead-time to fill your needs quickly.

Click Here for Adapter Ring Application Chart with Part Numbers