MAIN BEARING SET FOR CHEVROLET 396-502 GEN IV, V, VI (SET OF 10)

Part # MB556HPN

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
Positions 1,2,3,4: 69.83 / 69.80 mm 2.7492 / 2.7482 inch Position 5: 69.82 / 69.79 mm 2.7488 / 2.7478 inch	74.63 / 74.60 mm 2.9380 / 2.9370 inch	Positions 1,2,3,4: 25.4 mm 1.000 inch Position 5: 46.1 mm 1.815 inch	2.375 mm 0.0935 inch

Bearings are narrower than typical OE/Stock version, for fillet crankshat