NAPREC Titanium Valve Retainers for SR20DET. These are used by many of the vehicles participating in the D1 Grand Prix. By utilizing titanium, the weight is reduced, which in turn reduces wear on the parts.
Features
- Compatible with the NAPREC Double Valve Spring Set
- Reference data: normal 17.5 g / NAPREC 10.8 g
We ship to the United States and 150 other countries.
Japan Post EMS & ePacket, FedEx, DHL and more.
Naprec is an engine parts and machining specialist in Hachioji, Tokyo, set up in April 1997, which moved from Fuchu to Hachioji in 1999. Naprec makes tuning parts for car and motorcycle engines and does engine machining, overhaul and surface treatment, with parts for engines such as the Nissan RB26, RB25 and SR20, Toyota 2JZ, 1JZ and 4A-G, and Mitsubishi 4G63.
Associated JDM Parts
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.












