Renndienst Solutions is a precision-focused automotive engineering company specializing in advanced cylinder bore technology, surface finishing, and durability solutions for high-performance and OEM engines.
Blending motorsport-grade processes with real-world reliability, Renndienst Solutions delivers science-driven manufacturing, rigorous quality control, and practical solutions for modern engine challenges—where metallurgy, tribology, and performance meet.
From single cylinder reconditioning to new serial production, Renndienst Solutions offers alternatives to sleeving and plating that are utilized by American, European, and Asian automakers worldwide.

PTWA (Plasma Transferred Wire Arc) is applied by electrically melting a steel wire inside a controlled plasma arc and spraying the molten material directly onto a prepared aluminum cylinder bore. The coating bonds mechanically and metallurgically to the substrate, forming a thin, extremely durable iron-based surface. After spraying, the bore is precision honed to final size and surface finish for proper ring sealing and oil control.
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