NAPREC are world renowned for their parts and services that they provide. Their Forged Big Valve Sets are a complete set of exhaust and intake valves for one engine. Available for the most common engine applications.
Features
- Sold as a complete set of Exhaust and Intake valves for one engine
- Forged and Processed with computer controlled machine tools
- Surface treated with Tuffride
- Improved abrasion resistance and strength
We ship to the United States and 150 other countries.
Japan Post EMS & ePacket, FedEx, DHL and more.
| Vehicle | Part | Price | Order | |
|---|---|---|---|---|
| RB26DETT | ||||
| RB26DETT | IN:36mm EX:31.5mm - Dedicated valve guide is required for EX of RB26DETT | | ||
| Vehicle | Part | Price | Order | |
|---|---|---|---|---|
| SR20DET | ||||
| SR20DET Not for RNN14 | IN:35mm EX:31mm | | ||
| Vehicle | Part | Price | Order | |
|---|---|---|---|---|
| 4AG (4V) | ||||
| 4A-GE 4 Valve/Cylinder | IN:31.5mm EX:27.5mm | | ||
| Part | Price | Order |
|---|---|---|
| 3S-GTE | ||
| 16x 2JZ-GTE Valves - IN:34.5mm EX:29.8mm | DISCONTINUED This part is no longer available | |
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.
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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.












