Kibble White Diamond Exhaust valveRef : KIBW00124A / 09260351

Valve White Diamond® by KIBBLEWHITE (manufacturer part number: 40-4183H) — an exhaust valve designed for vintage enthusiasts and classic roadsters. CNC machined from forged monoblock EV8 stainless steel or Inconel‑751, this valve meets the manufacturing standards expected for exhaust applications on vintage machines and replicas.

• Application: exhaust
• Tulip angle: 29°
• Head diameter: 1.181" / 30.00 mm
• Finish: electroplated with 360° anode for a uniform hard chrome coating
• Origin: made in the USA

The combination of CNC machining and monoblock forging ensures precise tulip and seat geometry, essential for sealing at the valve seat. The uniformly applied hard chrome coating contributes to surface durability against wear from contact with the seat.

Common compatibilities: Kawasaki Z 1000 Eddie Lawson Replica (1983), Z 1000 LTD (1982), and Z 1000 (1982). Before installation, check the diameter and tulip angle of your cylinder head and adhere to the recommended clearances and break-in procedures.