MAIN BEARING SET FOR CHEVROLET 400 V8 (SET OF 10)

Part # MB509HP

King Bearings developed the HP Series, featuring the Alecular bi-metal composite. The Alecular technology made to better resist extrusion & material migration under high load for short duration or medium load for long duration, particularly in applications such as drag racing, monster truck and tractor pull competitions.

Commonly use for applications requiring a harder than Babbitt top layer to better resist extrusion & material migration (drag racing, monster truck, tractor pull). Also for all other applications using nodular cast iron crankshafts

Crankshaft Dim.	Housing Dim.	Length	Thickness
67.29 / 67.27 mm 2.6493 / 2.6484 inch	72.18 / 72.15 mm 2.8416 / 2.8406 inch	Positions 1,2,3,4: 20.5 mm 0.806 inch Position 5: 43.7 mm 1.722 inch	2.423 mm 0.0954 inch