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The CYLINDER WORKS Big Bore Cylinder Kit is an authentic, high‑performance solution for rebuilding powersports engines. Engineered as a complete bore‑enlargement package, the kit delivers increased displacement and power potential while maintaining the durability required for demanding off‑road and track use.
Every component in the kit is manufactured to precise tolerances, providing a seamless fit with existing engine internals. The inclusion of precision‑machined hardware ensures reliable assembly and long‑term reliability, making this kit a trusted choice for riders seeking a proven upgrade path for their performance engines.
Precision NSC Plated Cylinders — Direct OEM bolt-on engine replacement.
Key engineered features, technical highlights, and manufacturer specifications