Hot Rods Counter Balancer Bearing Kit - Polaris BBK0031 Soft-Ride Replacement Rubber End cap is made of

End cap is made of AISI 304 stainless steel with a shot-blasted finish

The collector with interference crossover tubes is entirely made of special titanium

Accept OEM gasket and mounting hardware

Stylish frame with machined lightening hole patterns create a very unique look

Width (57 mm) and length (90 mm)

Hot Rods Counter Balancer Bearing Kit - Polaris BBK0031 Soft-Ride Replacement Rubber End cap is made ofA must have for any new counter balancer or engine case installation or repair Includes trusted Hot Rods bearings for the counter balancer shaft of most modern 4 stroke engines Does not include water pump bearing or transmission bearings.