Product Summary

Universal Fit, 2.13" Overall Diameter, .56" Body Length

  • Strongly recommended for any performance application
  • Feature a balanced sleeve design
  • Modified for high RPM/high flow applications, 180° temperature range
  • Fits most domestic applications
  • 2-1/8" diameter

Key Specs

MFG. Part #91015703
BrandSpeedway Motors
Temp. Range180 degrees
Gasket(s) IncludedNo

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Speedway Motors 91015703 Details

Speedway takes a quality 330-180 high flow 180° thermostat, then modifies it to function properly in high RPM, high flow applications. They feature a balanced sleeve design and are strongly recommended for any performance application. Fits most domestic applications.

  • 2-1/8" diameter 
  • High flow 180° thermostat
  • Balanced sleeve design
  • Recommended for any performance application
  • Fits most domestic applications

Learn more about the importance of the thermostat with cooling systems and how they work by reading our tech article, Cooling System Principles.

Speedway Motors 91015703 Specifications

KEY SPECS
MFG. Part #91015703
BrandSpeedway Motors
Temp. Range180 degrees
Gasket(s) IncludedNo
GENERAL
Overall Diameter2.13"
Overall Height1.58"
Body Length.56"
Body Diameter1.57"
Sold in QuantityEach
NotesThere are three bypass holes in the center area of this thermostat to allow water to circulate prior to the actual "opening".

Ratings & Reviews

4.9

59 Reviews

Customers say

The product has been highly lauded for its efficiency and quality performance across multiple optimal applications. It has won customers over for its high flow, opening at the correct temperature range, and maintaining consistent engine temperatures. The thermostat has been noted for having a better build than standard, stock thermostats, and for contributing to an overall cooler and better functioning vehicle. Its easy installation process and pricing were also praised. Several customers would readily repurchase or recommend the product, highlighting its reliability in comparison to competitors. Some customers appreciated the product's role in their custom engine builds and noted its superior alternative to pricier options. A recurring positive is the role it plays in preventing overheating issues, indicating its high practicality and safety features. Overall, users emphasized the thermostat's value for money, performance quality, and effectiveness.