Product Description
- EXHAUST VALVE DIAMETER: 23mm
- INTAKE VALVE DIAMETER: 27.75mm
- EXHAUST PORT DIAMETER: 26.5mm
- INTAKE PORT DIAMETER: 27.5mm
- PLEASE NOTE: THE THREADED EXHAUST FLANGE HOLES ARE ONLY 10mm DEEP ON THIS HEAD. YOU MAY NEED TO TRIM EXHAUST STUDS OR USE BOLTS FOR A PROPER SEAL