Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Hi-Flo with Hi-Performance Thermostat 180d Robertshaw (55-89 Corvette C1, C2, C3 & C4)
Find parts that fit my vehicle Item EK-25-114649-1
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Manufactured By Robert Shaw and Modified By Stewart for Enhanced Performance
- Features Balanced Sleeve Design for Durability and Consistent Operation
- Designed for High Flow, High RPM Applications
- Strongly Recommended for Performance Applications
- Must Be Used With Stewart Stage 2, 3, or 4 Water Pumps
- Rated at 180 Degrees Fahrenheit
- Modified 2 1/8 Inch Diameter for Improved Fit and Function
- Fits 55-89 Corvette C1, C2, C3, & C4 Models
Description
High-Performance Thermostat. The Hi-Flo with Hi-Performance Thermostat 180d Robertshaw is engineered to regulate engine temperature effectively under demanding conditions. It maintains optimal operating temperature to reduce overheating risks and enhance engine efficiency, especially in high-flow, high-RPM environments.
Construction and Appearance. Manufactured by Robert Shaw and modified by Stewart, this thermostat features a balanced sleeve design and a modified diameter of 2 1/8 inches to provide durability and consistent operation under stress.
Installation. Installation is straightforward with no special tools or drilling required, making it suitable for experienced enthusiasts and professional mechanics alike. Its design is optimized to work seamlessly with Stewart's high-performance water pumps.
Warranty. This product includes a limited one-year warranty covering defects in workmanship and materials.
Application. Specifically designed to fit 55-89 Corvette C1, C2, C3, and C4 models, this thermostat offers a tailored solution to enhance cooling system performance in these vehicles.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Thermostat
5.0
Customer Reviews (1)
Questions & Answers
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Will It Fit My Corvette
- 35th Anniversary Edition - 88
- Base - 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88
- Collector's Edition - 82
- Indianapolis 500 Pace Car - 78, 86
- Silver Anniversary Edition - 78
- Stingray - 75, 76