ACL Bearings 5M909H-STD - GM Small Block Main Bearings - STD

MAIN BEARING - STD • High performance Trimetal engine bearings • Designed to withstand higher RPM conditions • High strength overlay plate with reduced thickness for improved fatigue properties Size: STD Half Type: Upper & lower Material: F780 Min. Std Shaft Size: 62,189 mm / 2.4484 in Max. Std Shaft Size: 62,212 mm / 2.4493 in Min. Std Tunnel Size: 67,071 mm / 2.6406 in Max. Std Tunnel Size: 67,097 mm / 2.6416 in Max Wall at Crown: 2,423 mm / 0.0954 in Max Overall Length: 20,5 mm / 0.8071 in (2377H) 43,64 mm / 1.7181 in (2378H(F))