Many times a small loss of compression in a single cylinder engine
has a big impact in overall horsepower and performance. Cutting valve
seats and lapping valves is a very simple procedure that in some cases
will yield a substantial performance gain.
See our eBay guide for guidance in performing valve work and using Neway products.
cost of this kit could be recouped in a very short period of time by
simply maintaining your personal engines or by performing service work
Smaller diameter cutter heads are required to work within combustion chambers of small overhead valve engines.