Carefully developed for the highest level of quality Unsurpassed in functionality and reliability Ready to serve reliably for years to come Forged Top-End Repair Kit (FX-40045K2) by Namura Technologies Inc.�. Piston size: 94.95 mm. Oversize: Standard. With Forged piston. Quality materials mean increased longevity and continued performance. A critical aspect of any rebuild, gaskets are often given little thought. However, the right materials can make all the difference. Piston Rings Wrist pin Clips Topend bearing Gasket kit