---
product_id: 22968940
title: "TBS 10203 TBI power up kit for 1986-95 GM TBI Motors"
brand: "throttle body shop"
price: "329.66 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/22968940-tbs-10203-tbi-power-up-kit-for-1986-95-gm
store_origin: TN
region: Tunisia
---

# Fits Multiple GM Models Up to 40hp Gain 14psi Regulator Spring TBS 10203 TBI power up kit for 1986-95 GM TBI Motors

**Brand:** throttle body shop
**Price:** 329.66 DT
**Availability:** ✅ In Stock

## Summary

> 🚗 Rev Up Your Ride with the TBS Power Up Kit!

## Quick Answers

- **What is this?** TBS 10203 TBI power up kit for 1986-95 GM TBI Motors by throttle body shop
- **How much does it cost?** 329.66 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/22968940-tbs-10203-tbi-power-up-kit-for-1986-95-gm)

## 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:** Perfect for pairing with headers, free flow exhaust, and cam upgrades.
- • **Versatile Fit:** Compatible with 1986-95 GM TBI motors including Silverado, Camaro, and more.
- • **Easy Installation:** No gasket required; simply replace your original gasket with our spacer.
- • **Unleash Your Power:** Transform your ride with a 14hp boost on stock 5.7L TBI motors!
- • **Fuel & Air Optimization:** Designed to maximize fuel and air flow for enhanced performance.

## Overview

The Throttle Body Shop TBS 10203 TBI Power Up Kit is engineered for 1986-95 GM TBI motors, providing a significant performance boost of up to 40hp when combined with other upgrades. This kit includes a durable polymer injector spacer and a 14psi regulator spring, ensuring optimal fuel and air flow. Designed for easy installation without the need for a gasket, it fits a variety of models including Silverado, Camaro, and more.

## Description

TBS 10203 TBI power up kit for 1986-95 GM TBI Motors

## Features

- GM TBI power up kit. Includes impervious to gas polymer injector spacer (design may vary), 14psi regulator spring and instructions on modifying your OEM stock TBI base to add enough fuel and air for up to 40hp gain w/ power adders such as headers, free flow exhaust intake and small cam upgrades. Adds 14hp on a stock 5.7L TBI motor.
- Fits: 1986-95 2.8L 4.3L 5.0L 5.7L TBI motors Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 Jimmy. Although this kit will fit 7.4L TBI motors, most came from the factory with a spacer. Please verify before purchase
- The spacer takes the place of your original gasket - no gasket required

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Throttle Body Shop |
| Brand | Throttle Body Shop |
| Item Weight | 3 ounces |
| Package Dimensions | 4 x 4 x 0.75 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TBS 10203 |

## Images

![TBS 10203 TBI power up kit for 1986-95 GM TBI Motors - Image 1](https://m.media-amazon.com/images/I/41fZmWNPdbL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/22968940-tbs-10203-tbi-power-up-kit-for-1986-95-gm](https://www.desertcart.tn/products/22968940-tbs-10203-tbi-power-up-kit-for-1986-95-gm)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-26*