ProX 10.EK5806.A Complete Engine Rebuild Kit

The ProX 10.EK5806.A Engine Rebuild Kit is a comprehensive rotating and reciprocating assembly designed to restore your engine to peak performance. This complete kit includes a fully assembled crankshaft, main bearings and seals, pistons with components, and a complete engine gasket set—everything needed for a professional-grade rebuild.

Premium Crankshaft Assembly:

• Factory-assembled crankshaft using Maxima® assembly lube for optimal protection
• Inspected in-house for proper dimensions and trueness to ensure reliability
• Includes Japanese-sourced Koyo main bearings for superior durability
• OEM-quality seals for reliable performance

High-Performance Connecting Rods:

• Proprietary design developed through in-house engineering and dyno testing
• Forged, heat-treated, and shot-peened construction for maximum tensile strength
• Graded bearings in the big end ensure proper clearance
• Bronze bushing in the small end improves longevity and reduces friction

Advanced Piston Technology:

• Cast from OEM-grade alloy for reliable performance
• MOS2 (molybdenum disulfide) skirt coating reduces friction and wear
• Hard-anodized crown and ring grooves provide superior heat resistance
• Enhanced wear resistance for extended service life

Complete Gasket Kit:

• Full engine gasket set included for complete rebuild
• OEM-quality materials ensure proper sealing
• Versatile gasket kits cover more applications in fewer part numbers

All components in this rebuild kit were developed through extensive research and development on ProX's in-house engine dynamometer. Available in A/B/C graded bore sizes to match your engine's specifications. This kit provides everything needed for a complete, professional-quality engine rebuild with improved performance and reliability.