March 09, 2021
Why Do I Drill the Pump? Preventing Excess 6L80 Series Line Pressure with a Drop-In Sonnax PR Valve
Andrew Jessiman
Get faster, easier rebuilds! This video explains a significant improvement to the popular Sonnax 6L45, 6L50, 6L80 and 6L90 series pressure regulator valves that eliminates the extra step of pump drilling to restore line pressure control. Learn about the improved valve design and get answers to common tech questions about this product change. The updated valve kits are sold under new Sonnax part numbers:
These new kits are also included in Sonnax Zip Kit® 6L45-6L90-ZIP and The Sure Cure® kit SC-6L80-6L90.
March 09, 2021
Andrew Jessiman
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Jim Mobley
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