GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W] Brand_Perko and an optional focus tube

and an optional focus tube to allow use on boats with planing hulls when the vessel spends a significant amount of time with the bow pitched up

By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution

Short circuit protection

F-7 - 15" x 41" - Double Layer - Black

creating air pockets and providing a slicker surface

GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W] Brand_Perko and an optional focus tube1 1 2" Bronze Extra Long Thru Hull Fitting w Nut Features: Extra long NPSM NPT combination thread C83600 Bronze Specifications: Hose Size: 1 1 2" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT: 1. 65 lbs UPC: 742985141773