Speed Pro Competition Series Race Bearings Proven race winning durability. Main sets incorporate a patented "contoured flange" thrust bearing design, which greatly increases thrust load capability. Applications using high clutch loads or frequent "on and off" throttle transitions will benefit. Unique design for the ultimate high strength with outstanding lubrication characteristics.
Part Type: Main Bearings Bearing material: Tri-Metal Copper-Lead Alloy Bearing Usage: Performance Engine Crankshaft Undersize (in): 0.020" Engine Crankshaft Undersize (mm): 0.50 Groove Bearing: Yes Thrust Bearing Oversize: Stock |