Racing Main Bearings For Chevrolet 400 V8 - MB 509HP
PartNo
MB 509HP
In stock
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 |
Main Bearing Set For CHEVROLET 400 V8 - MB 509HP
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Performance features
Material features
Tech Features
Aluminum Based
Bi Metal Aluminum material
Lead free Aluminum based material used for low to heavy load engines
Alecular™
Bi Metal high Performance
HP-developed mainly for drag race and monster truck applications using nodular cast iron crankshafts.
U-Groove™
Greater load surface
A 90⁰ oil groove shape, keep oil flow intact, increases bearing load capacity by expanding the surface area.
Radialock™
Optimal crush height and heat transfer
An optimal crush height value obtained from an optimization process of each performance bearing crush height
Eccentrix™
Superior hydrodynamic lubrication
An optimized eccentricity value reached through elasto-hydrodynamic analysis and dynamic calculations.
Bulls Eye™
PERFECT CLEARANCE IN EVERY SET
Outperforms the industry’s wall thickness tolerance, ensuring the least thickness variation shell-to-shell.
Lead free
Environmentally safe composite
A lead-free bearing material prioritizes environmental sustainability and safety, utilizing alternative compounds to achieve optimal performance in diverse applications.
Complete your build
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