Add 10 to 20 CFM to your cylinder heads with Mondello Signature Series Valve Seat Cutter Blades. This blade was designed for Intake and features a 1.15mm seat width with a 55 degree main angle.

Fit most popular 3-angle seat cutting systems including Kwik-Way, Newen, Peterson, Rottler, Serdi, Sunnen, T&S, Winona Van Norman, etc.