The JUN Hyper Piston Kit R-Series sits at the top of the JUN pistons, providing the ultimate in lightweight pistons whilst maintaining strength for high performance naturally aspirated engines.
Features
- Designed exclusively by JUN to provide the ultimate in lightweight whilst maintaing strength
- Perfect for high revolution naturally aspirated engines
- Kit includes the pistons, piston pin and snap ring
- The EX kit has been further lightened for the ultimate in lightweight
- See more information from the JUN website under Additional Details
We ship to the United States and 150 other countries.
Japan Post EMS & ePacket, FedEx, DHL and more.
JUN Auto Mechanic was founded by Junichi Tanaka, starting as the research arm of Tanaka Industrial, and is known in Japan for engine building and top speed. In 1991 a JUN 300ZX reached 422 km/h at Bonneville, and in 2001 its Supra went past 400 km/h.
That engine work is what JUN still sells: forged pistons, stroker kits, camshafts, valves and valve springs, oil pans and engine internals for the Skyline GT-R, Supra, Silvia and other Japanese performance cars.
Associated JDM Parts
326 Power Gachi Stop Brake Kits
326 Power Wheel Nut Medium + Crown Cap Set
3D Design Sport Pedals
About NENGUN
Since the year 2000, NENGUN has supplied over 500,000 parts direct from Fukuoka, Japan to 170 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.











