Monster have designed the Reinforced Valve Spring for improved surging and for easy installation, with the spring rate of 29.20N/mm.
Features
- Improved surging
- Easy installation with no machining or need for replacing spring retainers
- Coil diameter: 3.3mm
- Spring rate: 29.20N/mm
- Maximum RPM: 8200-8500rpm
We ship to the United States and 150 other countries.
Japan Post EMS & ePacket, FedEx, DHL and more.
Monster Sport is the tuning and motorsport company of Nobuhiro "Monster" Tajima, the Japanese driver famous for his many overall wins at the Pikes Peak International Hill Climb. Tajima founded Monster International in 1983 to support motorsport competitors, and for decades it ran Suzuki's motorsport work. In 2011 Monster Sport took over Suzuki Sport.
It is best known for Suzukis, and its parts, developed from its rally and hill-climb cars, are made for the Swift, Jimny, Alto and other Suzuki models: exhausts, ECUs, suspension, limited-slip differentials, aero and interior parts.











