ACL Bearings Race Series Main Bearing Set - Standard - Extra Oil Clearance - Coated - GM LS-Series 42143 860 in Long

860 in Long

low gears and 3000+ stall

1971-1975 Pontiac Catalina Safari CID 400 Naturally Aspirated GAS

The double adjustable ends allow mounting as either wrap around or bolt-in

gasket sets that will fit most popular performance engines

ACL Bearings Race Series Main Bearing Set - Standard - Extra Oil Clearance - Coated - GM LS-Series 42143 860 in LongProduct Description: Main Bearing Race Series Standard Extra Oil Clearance Coated GM LS Series High performance driving demands that you use the best parts. So rely on ACL's Race Series Products to perform to the exacting race standards you expect. They provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high