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.
Your trusted source of JDM parts shipped direct from Japan
Your trusted source of JDM parts shipped from Japan
JDM parts shipped direct from Japan
The Tomei Valve Spring Sheets enable to the fine tuning of the valvetrain when installing aftermarket valve springs, ensuring consistent and adequate spring load specifications for a freely revving engine.
When installing aftermarket valve springs in a head assembly, the amount of load applied to each spring needs to be adjusted until everything is in uniform specification. This is a standard procedure which all race engines go through in order to be able to raise the engine RPM without any glitches or hesitation.
The standard method involved when putting together the valve assembly is to fully balance all the added components to tighter clearances than the manufacturer specifications. This method called “blueprinting” can be time consuming and a very costly service performed by an experienced engine builder.
By utilizing the various thickness of the spring sheets to adjust to each and different spring rate load, the same objective can be satisfied with fraction of the cost.
Add parts to your shopping cart and begin checkout to select from Japan Post EMS & ePacket, FedEx, DHL and more shipping options.
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.