Bishop Cylinder Heads
Rebuilding and
Machining Services

Bishop Cylinder Heads Remanufacturing Process Includes:

• – Complete disassembly and thorough cleaning via hot tank & pressure tested to confirm casting integrity
• – New valve seats installed as necessary
• – New valve stem seals installed on all our heads & all valve guides are replaced with new ones as necessary.
• – Valve job Performed with all required angles & vacuum tested seals to ensure perfect compression.
• – PCD milled to ensure a super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads).
• – CBN milled to ensure a super smooth finish. (CBN stands for Cubic Boron Nitride and is best for cast-iron heads).

   – All necessary parts are cleaned and inspected before final assembly to meet AERA specifications