AP03 Rocker Arm Assembly Dual Intake Exhaust Compatible with F-250 F-350 F-450 F-550 6.4L 8C3Z6564D

Rocker Arm Assembly Dual Intake Exhaust Compatible With F-250 F-350 F-450 F-550 6.4L .OEM part number8C3Z6A588A 8C3Z6564D 8C3Z6564C 8C3Z6A588B 8C3Z6A588A 8C3Z6564D 8C3Z6564C 8C3Z6A588B . Will following models2008-2010 F-250 Super Duty 2008-2010 F-350 Super Duty 2008-2010 F-450 Super Duty 2008-2010 F-550 Super Duty With 6.4L Diesel Engines *Compatible table only Compatible With reference.We are very glad that you have chosen our store, we sincerely welcome you and hope you enjoy a pleasant shopping experience here.

• The replacement and repair of rocker arms requires technical experience and specialized tools.
• The material selection and processing technology of rocker arm directly affect its cost and productivity.
• The rocker arm needs to be used in conjunction with the valve rod head, valve rod, camshaft and valve spring to ensure the normal operation of the engine valve.
• Lubrication and cooling of the rocker arm are also key elements of its normal operation.
• The rocker arm bears a small load when the engine is started and idled, but it will face greater pressure and stress under high speed and large load.