CRANKSHAFT BOTTOM KIT 05-07 CR250 WISECO WPC172 ASSEMBLY INC.GASKETS MAINS CRANK SEALS

Wiseco Crankshaft Bottom End Assembly with Gaskets

This Wiseco Crankshaft Bottom End Assembly is engineered for optimal performance and durability. Each component is meticulously crafted to meet stringent quality standards, ensuring your engine runs smoothly and efficiently.

Key Features:

• Precision-trued to OEM specifications and factory assembled for a perfect fit.
• Double-forged connecting rods ensure superior dimensional consistency through improved grain flow.
• Shot-peening process eliminates residual stresses and smooths rod forging surfaces.
• Features a corrosion-resistant surface treatment for enhanced longevity.
• Top and bottom end rod bores are case hardened to 58-62 RC, optimizing the bearing running surface.
• Crank pin bearing radial running clearance is precisely set to ensure maximum performance.
• Precision honing creates an ultra-round bearing surface for reduced friction.
• Engineered oiling slots maximize rod strength and extend bearing life.
• Double-drilled small ends provide extra lubrication and cooling to the piston pin, reducing thermal distortion.
• Includes silver-coated bronze phosphor thrust washers with a dimpled design for increased oil retention and reduced friction.
• Crank pin bearings are manufactured from the highest-quality hot-rolled steel and case hardened to 58-62 RC.
• This assembly includes essential gaskets for a complete installation.