[Eddie]

Back-Cut Intake and Exhaust valves--Gain airflow and Power at all engine speeds. The face will not be touched only the radius at the top of the valve angle for easier airflow into the chamber. Valves cut for $1.95 a piece or $30.00/set of 16 gain 5-8% airflow across the board. Eddie's Injection Services--ASE Cert. nasser3_1@msn.com for further info or 1-812-299-2830 All work performed on a Sioux Valve face grinder.