---
product_id: 90821605
title: "8603 High Flow Thermostat 053 mm / 2 3/32 in. 160 Deg. High Flow Thermostat"
brand: "edelbrock"
price: "S$50"
currency: SGD
in_stock: true
reviews_count: 11
category: "Edelbrock"
url: https://www.desertcart.sg/products/90821605-8603-high-flow-thermostat-053-mm-2-3-32-in
store_origin: SG
region: Singapore
---

# High flow rate optimized 160°F precise temp Made in USA quality 8603 High Flow Thermostat 053 mm / 2 3/32 in. 160 Deg. High Flow Thermostat

**Brand:** edelbrock
**Price:** S$50
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay cool, perform hotter – the thermostat your engine deserves!

## Quick Answers

- **What is this?** 8603 High Flow Thermostat 053 mm / 2 3/32 in. 160 Deg. High Flow Thermostat by edelbrock
- **How much does it cost?** S$50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/90821605-8603-high-flow-thermostat-053-mm-2-3-32-in)

## Best For

- edelbrock enthusiasts

## Why This Product

- Trusted edelbrock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vehicle-Specific Fit:** Perfect replacement for classic engines like the 1986 Chevy 350 smallblock
- • **Trusted Heritage Brand:** Edelbrock’s legacy since 1938 guarantees proven performance and quality
- • **High Flow Compatibility:** Engineered to complement high flow water pumps for superior cooling
- • **Durable Stainless Steel Build:** Polished finish ensures longevity and corrosion resistance
- • **Precision Temperature Control:** Maintains optimal 160°F for peak engine performance

## Overview

The Edelbrock 8603 High Flow Thermostat is a precision-engineered, vehicle-specific cooling component designed to maintain a steady 160°F operating temperature. Crafted from durable stainless steel and optimized for high flow water pumps, it ensures superior engine cooling and reliability. Proudly made in the USA, this thermostat is a trusted upgrade for classic and performance vehicles seeking enhanced thermal management.

## Description

Proven Performance is the philosophy that began with Vic Sr. in 1938 and it continues today with the same high standards of performance and quality. Vic Sr. would be proud of what has grown out of his small garage in Los Angeles, California.

Review: High flow thermostat - I needed a high flow thermostat for the high flow water pump I installed, it worked perfectly
Review: Good Replacement - Good fit/replacement for 1986 Chevy 350 smallblock

## Features

- Fit type: Vehicle Specific
- Package Dimensions: 19.05 H x 5.08 L x 10.668 W (centimetres)
- Country of Origin : United States
- Package Weight: 0.068 kilograms

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B017WN1HVS |
| Backlight | No |
| Best Sellers Rank | #41,917 in Automotive ( See Top 100 in Automotive ) #48 in Automotive Replacement Engine Thermostats |
| Brand | Edelbrock |
| Color | Silver |
| Connectivity Protocol | BACnet MS/TP |
| Connectivity Technology | BACnet MS/TP |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Touch |
| Customer Reviews | 4.7 4.7 out of 5 stars (333) |
| Date First Available | November 12, 2015 |
| Display Type | LCD |
| Exterior | Satin |
| Finish Type | Polished |
| Global Trade Identification Number | 00085347086030 |
| Included Components | Edelbrock |
| Item Weight | 0.01 ounces |
| Item model number | 8603 |
| Manufacturer | Edelbrock |
| Manufacturer Part Number | 8603 |
| Material | Stainless Steel |
| Model Name | 8603 |
| Mounting Type | Wall Mount |
| OEM Part Number | 8603 |
| Power Source | Battery Powered |
| Product Dimensions | 4.2"D x 4.2"W x 7.5"H |
| Shape | Rectangular |
| Special Feature | Temperature Display |
| Special Features | Temperature Display |
| Specific Uses For Product | Thermostat Control |
| Style | Universal |
| Temperature Control Type | Thermostatic |
| UPC | 085347086030 |
| Voltage | 230 Volts |

## Product Details

- **Brand:** Edelbrock
- **Controller Type:** Touch
- **Model Name:** 8603
- **Product Dimensions:** 4.2"D x 4.2"W x 7.5"H
- **Special Feature:** Temperature Display

## Images

![8603 High Flow Thermostat 053 mm / 2 3/32 in. 160 Deg. High Flow Thermostat - Image 1](https://m.media-amazon.com/images/I/71rzI54Zj4L.jpg)

## Questions & Answers

**Q: Will this fit a 1965 GTO?**
A: Yes, it will fit.

**Q: will this fit a 1983 chevy 454?**
A: Yes it will.

**Q: Does this fit a 2012 c6 Corvette ls3?**
A: There should be a place on amazon that will answer that question. I got it for a 1990 Buick skylark custom. It works great. If you don't find check with Rock Auto. Good Luck

**Q: I have a 70's chevy 350 in my 40 ford. not sure of origin. will this thermostat fit?**
A: Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ High flow thermostat
*by E***D on December 5, 2024*

I needed a high flow thermostat for the high flow water pump I installed, it worked perfectly

### ⭐⭐⭐⭐⭐ Good Replacement
*by B***N on October 10, 2025*

Good fit/replacement for 1986 Chevy 350 smallblock

### ⭐⭐⭐⭐⭐ Thermostat
*by C***2 on August 8, 2025*

Thermostat is very good quality, perfect fit. It works as described

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.sg/products/90821605-8603-high-flow-thermostat-053-mm-2-3-32-in](https://www.desertcart.sg/products/90821605-8603-high-flow-thermostat-053-mm-2-3-32-in)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-12*