JayCee Flanged Crank Main Bearing set for Type 4 Journals Std/Std

These are standard crank/standard case type 4 main bearings that have been modified by Jaycee for use with flanged cranks.

Your case must be machined for type 4 outside diameter bearings. The crankshaft must use standard type 4 journals. These are steel backed bearings, excellent for use in all high performance engines.