FSM-185 High-Flow Engine Oil Cooler Thermostat, 185-degrees F

Name: FSM-185 High-Flow Engine Oil Cooler Thermostat, 185-degrees F
Brand: IMPROVED RACING
SKU: 553-FSM-185
Price: 199.00 USD
Availability: InStock

^$199⁰⁰

Ships on 09/14/2026

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High-Flow Engine Oil Cooler Thermostat

185-degrees F

Improved Racing FSM-185 Features:

Improved Racing's Flow Series Motor Sport (FSM) oil thermostat is a universal solution that can be used with any oil cooler on any vehicle or industrial application flowing up to 20 GPM (75.71 LPM)
Patented high-flow design with no valves, springs, or other obstructions in the primary oil flow
Maintains a minimum fluid temperature of 185-degrees F in most conditions
Features -10AN female O-ring boss ports
Optional adapter fittings available in various sizes

Part TypeOil Cooler Thermostat

BrandIMPROVED RACING

Package Height3.45

Package Width5.45

Package Length6.75

Weight1.21 PG

Part CategoryPerformance Parts

Vendor Part NumberFSM-185

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

FSM-185 High-Flow Engine Oil Cooler Thermostat, 185-degrees F

Improved Racing FSM-185 Features:

⚠️ Warning

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