K-Series

The Honda K-Series — K20 and K24 — is the modern benchmark for four-cylinder performance, combining high-revving VTEC character with strong torque and excellent tuning potential. A favourite in Australian time attack, circuit racing, and street performance builds. Prime Speedworks stocks precision fasteners for K-Series builds, including P1 Fasteners head studs and main studs engineered for high-boost K20 and K24 applications.

Whether you're building a naturally aspirated K-Series track weapon or a boosted street car, our parts are sourced from trusted motorsport brands and available with fast Australian shipping. The right hardware for serious K-Series builds.