NAPREC offers their Drag Kit for the RB26 Head + Combustion Chamber Processing. This is a kit for the service of your RB26 Head only, it does not include the head itself. You must provide your RB26 Head or source a decent quality one from the Used Parts or Auctions.
Features
We will then send it to NAPREC to have it processed as per the following:
- Combustion Chamber Processing
- Replacing NAPREC Forged Big Valve
- Combinations Valve Guide
- Heatproof Sintering Sheet Ring
- Cam Cap Stud Bolt
- Exchanging Valve Guide
- Replacing Sheet Ring
- Sheet Cutting for Race (Matching the thrusting point)
- Hall Processing to Pull Out Air of Water Jacket
- Processing Oversized Jacket Plug
- Head-face cut to 1.0mm
Notes
- If any extra work is necessary for the service of your RB26 head, as determined by NAPREC, you will be responsible for any additional costs.
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.
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326 Power Wheel Nut Medium + Crown Cap Set
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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.













