---
product_id: 21520837
title: "Throttle Body Shop TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring"
brand: "throttle body shop"
price: "VT11328"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/21520837-throttle-body-shop-tbs-10321-gm-tbi-18-psi-brown
store_origin: VU
region: Vanuatu
---

# Compact size Fits multiple models 18-19 psi boost Throttle Body Shop TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring

**Brand:** throttle body shop
**Price:** VT11328
**Availability:** ✅ In Stock

## Summary

> 🚀 Unleash the Power of Precision!

## Quick Answers

- **What is this?** Throttle Body Shop TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring by throttle body shop
- **How much does it cost?** VT11328 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/21520837-throttle-body-shop-tbs-10321-gm-tbi-18-psi-brown)

## Best For

- throttle body shop enthusiasts

## Why This Product

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

## Key Features

- • **Upgrade Ready:** Requires a fuel pump upgrade for optimal performance—check our store for compatible options.
- • **Durable Design:** Manufactured by Throttle Body Shop, ensuring quality and reliability for your performance needs.
- • **Color-Coded Convenience:** Easily identify your spring with its distinct brown color, ensuring quick installation.
- • **Universal Compatibility:** Designed to fit a wide range of TBI motors from 1986-95, including popular models like Silverado and Camaro.
- • **Elevate Your Performance:** Transform your TBI motor's fuel pressure from 11-12 psi to a powerful 18-19 psi.

## Overview

The TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring is a high-performance replacement spring designed for 1986-95 TBI motors. It boosts fuel pressure significantly, enhancing engine performance, and is compatible with various models including Silverado, Camaro, and more. Upgrade your fuel system for optimal results!

## Description

TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring

## Features

- TBI 18psi Brown fuel regulator replacement spring Fits: 1986-95 2.8L 4.3L 5.0L 5.7L 7.4L TBI motors
- For modified motors it bumps stock TBI fuel pressure from 11-12psi to 18-19psi - fits OEM regulator can
- This spring will require a fuel pump upgrade for the increased pressure - see our store for this
- Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 Jimmy
- Color is to help identify this spring within our product line and is not intended to match OEM spring colors - color may vary slightly from description photo

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Throttle Body Shop |
| Brand | Throttle Body Shop |
| Package Dimensions | 4 x 4 x 0.75 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TBS-10321 |

## Product Details

- **Material:** Alloy Steel
- **Brand:** Throttle Body Shop
- **Color:** Brown
- **Manufacturer:** Throttle Body Shop
- **Unit Count:** 1 Count

## Images

![Throttle Body Shop TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring - Image 1](https://m.media-amazon.com/images/I/61dO-It5D0L.jpg)

## Frequently Bought Together

- Throttle Body Shop TBS 10321 GM TBI 18 psi Brown Fuel Pressure Spring
- Standard Motor Products 1704 TBI Kit
- Throttle Body Shop TBS 10201 1/4" TBI Injector Spacer 1986-95 Gm TBI Motors

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**Shop now:** [https://www.desertcart.vu/products/21520837-throttle-body-shop-tbs-10321-gm-tbi-18-psi-brown](https://www.desertcart.vu/products/21520837-throttle-body-shop-tbs-10321-gm-tbi-18-psi-brown)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-01-27*