Feuling
Feuling, piston cooling jet tester block kit
Feuling, piston cooling jet tester block kit
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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.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.