• Allow easier insertion between slave pistons contact surface with the exhaust valve to adjusting screw (valve lash)
• Please turn engine off before setting the engine brake lash. The lash adjustment must be performed on both slave piston adjusting screws on each cylinder.
• Spanner 4.1mm & 4.6mm works on compatible with Detroit diesel For DD13, DD15 engines.
• Spanner 7mm works on Cummins Isx engines. (Alternative To 313530)
• Specification:4.1MM, 4.6MM & 7MM