Cooling Systems - Thermostat Housings

Small Block & Big Block Chevy Thermostat Housing/Water Outlet Gasket

460 Ford Thermostat Housing/Water Outlet Gasket

Limiting the amount of coolant flow leaving the engine lets you control the amount of heat absorbed by the coolant itself. You can adjust the flow with one of these water outlet restrictor kits. They include include three round aluminum plates with 5/8 in., 3/4 in., and 1 in. I.D. holes. Simply mount the appropriate plate under the water outlet on the intake manifold. An easy and economical temperature control solution!

Replacement Plastic Bypass Valve for 540-160200, 540-160210 and 540-160465 Thermostat Kits.

Replacement Retainer Ring for 540-160200, 540-160210 and 540-160465 Thermostat Kits.

Replacement Valve Seat for 540-160200, 540-160210 and 540-160465 Thermostat Kits.

Replacement Spring for 540-160200, 540-160210 and 540-160465 Thermostat Kits.

Additional Details:

• Fits: MCM/MIE GM V-6 & V-8 (305 & 350 cid)engines & Hi-Perf 454, 502 & 540 cid engines

Interchanges/Replaces

Barr

• MC2947441

GLM

• 13220

Mallory

• 9-42503
• 9-42506

Mercruiser Stern Drive

• 47441
• 47441A1

Osco

• MC55-TSB