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Feuling, piston cooling jet tester block kit
This tool allows you to test the piston cooling jets. Leaking piston cooling jets can send too much oil into the crankcase; causing high engine oil sump levels. Clogged cooling jets can reduce cooling. Helps diagnose and prevent issues before finishing the engine build. This is a complete kit including the tool plate; pressure gauge; regulator and hardware. Note: If you already have Feuling's 566117 Twin Cam pressure relief valve test tool; you just require 707289 tester block only to be able to test the piston cooling jets.
