Main bearing set 911 3.0-3.2-3.6-3.8 in oversize 0.50 drilled crankcase! and ground crankshaft 1.0

Main bearing set for Porsche 911 SC, 3.2 Carrera, Turbo, 964 and 993.

Oversize 0.50 drilled crankcase and undersize 1.0. ground crankshaft.