This kit replace your Mercury 2-stroke outboard thermostats with outlet restrictor washers and new seals to regulate water pressure and flow for high-performance racing and river running.
Each kit includes two (2) Stainless Restrictor Washers + two (2) Thermostat Gromment Seals
Kit options:
1) Small .123" ID Washers + Seals for more/higher water pressure (Factory Race)
2) Medium .168" ID Washers + Seals for medium water pressure (Standard)
3) Large .227" ID Washer + Seals for less water pressure (Oversized)
4) Buy All 3 Kits, Save $5
Part Numbers12-47533 1, 18-0182, 18-0182, 30610, 306162, 310058, 508633, 62386, 62386B, 62386001, 777381, 8M0204714, 9-60002, 62386
2 Water Outlet Washers + Thermostat Seals Kit
SKU: SW-77
$10.00Price