NAPREC Valve Guide Diameter Adjustment

This is the Valve Guide Diameter Adjustment Service, to make the Valve Guides suit your OS Valves and Head.
NAPREC - Valve Guide Diameter Adjustment

NAPREC are world renowned for the services they provide.  They offer their services for many of the most popular engines and vehicles.  This is the Valve Guide Diameter Adjustment Service, to make the Valve Guides suit your OS Valves and Head.

Features

  • The Valve Guides can be ordered separately, or they can be sent to Nengun with your cylinder head to have them installed by NAPREC (please order this service separately as well).
  • The price includes the service only.
  • Available for Inside Only or Inside and Outside
  • The process takes about 1 month after the head arrives in our office

Notes

  • Additional costs may be required for repairs and other services required for your engine.  If you are not sure about your engine, please enquire here before placing your order.
  • Please specify your engine code when placing an order.
  • Shipping costs shown are for the return shipping only.

This part usually ships 14 days after payment.

Part Price Order
Inside Processing - 8 Valve Guides
In-8V
USD $ 27.47
USD $ 29.85
Inside Processing - 16 Valve Guides
In-16V
USD $ 54.93
USD $ 59.71
Inside Processing - 24 Valve Guides
In-24V
USD $ 82.40
USD $ 89.56
Inside Processing - 32 Valve Guides
In-32V
USD $ 109.86
USD $ 119.42
Inside and Outside Processing - 8 Valve Guides
In-Out 8V
USD $ 54.93
USD $ 59.71
Inside and Outside Processing - 16 Valve Guides
In-Out 16V
USD $ 109.86
USD $ 119.42
Inside and Outside Processing - 24 Valve Guides
In-Out 24V
USD $ 164.79
USD $ 179.12
Inside and Outside Processing - 32 Valve Guides
In-Out 32V
USD $ 219.73
USD $ 238.83
Inside Processing - 8 Valve Guides
In-8V
USD $ 27.47
USD $ 29.85
Inside Processing - 16 Valve Guides
In-16V
USD $ 54.93
USD $ 59.71
Inside Processing - 24 Valve Guides
In-24V
USD $ 82.40
USD $ 89.56
Inside Processing - 32 Valve Guides
In-32V
USD $ 109.86
USD $ 119.42
Inside and Outside Processing - 8 Valve Guides
In-Out 8V
USD $ 54.93
USD $ 59.71
Inside and Outside Processing - 16 Valve Guides
In-Out 16V
USD $ 109.86
USD $ 119.42
Inside and Outside Processing - 24 Valve Guides
In-Out 24V
USD $ 164.79
USD $ 179.12
Inside and Outside Processing - 32 Valve Guides
In-Out 32V
USD $ 219.73
USD $ 238.83
Yes! We ship to the United States and 150 other countries worldwide!

Add parts to your shopping cart and begin checkout to select from Japan Post EMS & ePacket, FedEx, DHL and more shipping options.

About Nengun Performance

Since the year 2000, Nengun Performance has supplied over 100,000 parts direct from Fukuoka, Japan to 150 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.

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