Thermostat - Standard Naked Thermostat
MRD109
Spec-R Thermostat
Available to Order
Spec-R️ thermostats are the perfect thermostat for high performance and racing applications. Designed and manufactured by a leading OE thermostat supplier to withstand high pressure and high horsepower demands. Keep your vehicle running at maximum cooling efficiency, whether on the track or on the street.
Features:
- Black oxide coating for high temperature tolerance, corrosion resistance and life-long durability
- Lower than OE opening temperature for cooler engine operation, resulting in more power
- Specially formulated Spec-R️ heat element mixture for faster response time
- Proprietary gasket composition to withstand high pressure / high performance cooling systems
Specifications:
- Outlet Inside Diameter: 1.0437 IN
- Outlet Outside Diameter: 0.00 IN
- Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Seal Type: N/A
- Valve Outside Diameter: 1.1594 IN
- Material: Stainless Steel
- Material: Copper
- Color: Silver
- Color: Brass
- Sealing Flange Outside Diameter: 2.12 in
- Sealing Flange Outside Diameter: 53.85 mm
- MAP Controlled: No
- Height Between Flanges: 1.27 in
- Height Between Flanges: 32.26 mm
- Gasket or Seal Pre-Installed: No
- Gasket Or Seal Required: Yes
- Gasket Quantity: 0
- Type: Standard
- Gasket Or Seal Included: Yes
- Height: 2.05 in
- Height: 52.07 mm
- Jiggle Pin Weep Hole: Yes
- Grade Type: OEM
- Bypass Flange Diameter: 29.63 mm
- Bypass Flange Diameter: 1.1665 in
- Jiggle Pin Check Valve Quantity: 1
- Flange Height: 0.04 in
- Flange Height: 1.02 mm
- Design: Standard
- Bypass Flange Length: 6.25 mm
- Bypass Flange Length: 0.2461 in
- Includes Jiggle Pin Check Valve: Yes
- Electric: No
- Engine Coolant Thermostat Quantity: 1
- Flange Thickness: 0.04 in
- Flange Thickness: 1.02 mm
- Seal Quantity: 1
- Bolt Hole Quantity: 0
- Depth: 1.27 in
- Depth: 32.26 mm
- Installation Tool Included: No
- Start to Open Temperature: 160.0 Deg. F
- Start to Open Temperature: 71.11 Deg. C
- Seal Material: Rubber
Interchanges:
- Cartek MRD109
- MotoRad MRD109
- NAPA MRD109
Applications:
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