ISF Finishing Process

Stock gears and other engine internals have inconsistences, microscopic peaks, sharp edges and underperforming lubrication capability. OE manufacturers, due to the time and money, cannot give you the best performance your machine has to offer. Those that want the highest performance from their engine turn to Yoshimura's ISF (Isotropic Surface Finish) Processing®.

Yoshimura's ISF Process® is a 7-hour process that enables your engine's internals to function at their highest level. The ISF Process® is a physio-chemical process, using a proprietary chemical bath, abrasive ceramic media, and conventional vibratory finishing equipment. By creating a smooth and shiny finish, the ISF Process® increases the life expectancy and efficiency of moving metal parts. Increased life expectancy translates into both lower operating costs as well as improved performance.

Some of the features of the ISF process® are:

  • Less friction inside motor
  • Less wear on the gears
  • Engine runs cooler
  • Provides positive shifting
  • Engine reaches max RPM quicker
  • Improves durability
  • The ISF Process® is used in military applications and is FAA approved

We perform ISF Process® for some of the best teams in racing. Those include:

  • Yoshimura Suzuki
  • RCH/Yoshimura/Suzuki
  • Honda HRC
  • GEICO Honda
  • HPD
  • And many others

The processing fee starts at $230.00 per transmission and the turnaround time is within 1-2 weeks. Call 800-634-9166 for a quote today!

Close (esc)

Free Shipping

Free Ground Shipping on Web Orders over $75.00

*48 Contiguous States

Age verification

By clicking enter you are verifying that you are old enough to consume alcohol.


Shopping Cart

Your cart is currently empty.
Shop now
Liquid error: Could not find asset snippets/preorder-now.liquid