Sierra 18-9440CAT-7 25W-40 FC-W Synthetic Blend Catalyst-Compatible Marine Engine Oil, 55 Gallon Drum seachoice-hot-dipped-galvanized-deluxe-anchor DC ACU for Intellian i2/i3/i4/i6

DC ACU for Intellian i2/i3/i4/i6 & S6HD

This enables it to provide highly accurate figures for TWS and TWA by reducing errors from disturbed windflow around the mast head and dramatically reduces upwash when sailing downwind

model year 2008 and newer)

Stainless steel arm

Sierra 18-9440CAT-7 25W-40 FC-W Synthetic Blend Catalyst-Compatible Marine Engine Oil, 55 Gallon Drum seachoice-hot-dipped-galvanized-deluxe-anchor DC ACU for Intellian i2/i3/i4/i6A special blend specifically designed to meet the unique requirements of modern 4 stroke recreational engines with or without emission catalyst systems. Sold in case packs only. NMMA FC W Certified API SL. Minimizes corrosion that is formed inside the engine. Displays enhanced detergent and dispersants properties to suspend and prevent engine sludge formation. Industry leading wear protection and deposit control. Prevents excessive thinning under