---
product_id: 120757487
title: "Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78"
brand: "tri component"
price: "€ 59.66"
currency: EUR
in_stock: true
reviews_count: 4
url: https://www.desertcart.gr/products/120757487-torque-converter-bolts-heavy-duty-m10-1-50-x-15mm
store_origin: GR
region: Greece
---

# Grade 9.8 strength M10-1.50 x 15mm Made in USA Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78

**Brand:** tri component
**Price:** € 59.66
**Availability:** ✅ In Stock

## Summary

> 🔧 Torque with Confidence!

## Quick Answers

- **What is this?** Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78 by tri component
- **How much does it cost?** € 59.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/120757487-torque-converter-bolts-heavy-duty-m10-1-50-x-15mm)

## Best For

- tri component enthusiasts

## Why This Product

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

## Key Features

- • **Pack of Three:** Includes three bolts, perfect for your torque converter needs.
- • **Easy Installation:** Hex-head design allows for quick and efficient installation, saving you time.
- • **Unmatched Strength:** Engineered for heavy-duty performance, these bolts are competition-ready.
- • **Precision Engineering:** Crafted from heat-treated alloy steel for maximum durability and reliability.
- • **Versatile Compatibility:** Fits a wide range of GM transmissions, ensuring you’re covered no matter your setup.

## Overview

These Heavy-Duty Torque Converter Bolts (M10-1.50 x 15mm) are designed for serious automotive enthusiasts. Made in the USA from heat-treated alloy steel, they boast a Grade 9.8 strength rating and fit a variety of GM transmission applications. Each pack includes three hex-head bolts, ensuring you have the reliability and performance needed for both everyday driving and competitive racing.

## Description

Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78

## Features

- Industry Part ID: B78, B-78, 4040, M464GE, 65998, 01261968
- Includes 3 hex-head bolts. These bolt are the strongest bolts you can get to attach your torque converter and are used in competitions.
- Metric Dimensions: M10-1.50 x 15 mm. Grade: 9.8 (Heavy Duty) Made in the USA from, Heat-Treated, hardened alloy steel
- Fits the following Transmission Torque Converter Applications: Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile, Hummer, BMW, Acura, Isuzu General Motors 298mm Lockup, 250C, 350C, 700-R4, 4L60E 300mm Lockup, 4L60E 310mm Lockup, 4L80E Single Stator And Dual Stator 310mm Lockup, 4L80E Late (Single Stator) TH350 (Includes TH300) TH400 3L80, Allison AT540, 310mm 245mm Lockup,
- Fits: Models: 125C, 180C, 200C, 440-R4, 700-R4 (S-10 Only) Allison AT540, 310mm, TH400 3L80 TH350/TH350C (TH-350 TH-350C) 1969-86 TH700-R4 (TH-700R4)1982-93 TH400 TH375 TH475 RWD (TH 400 ). 1964-98 TH180 TH180C (TH-180 TH-180C)1969-Up TH200-TH200C TH-200-TH-200C 1976-87 TH200-4R (TH-2004R)1981-90 TH250C (TH-250C) 4L80E 1991-Up 4L60E 1993-Up 4L65E 2001-Up 4L30E 1990-Up 5L40E 1999-Up. Flexplate / Flywheel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Alloy Steel |
| Grade Rating | Grade 9 8 |
| Thread Size | M10 |
| Manufacturer Grade | Grade 9 8 |
| Head Style | Hex |
| Fastener Type | Hexagon Bolt |
| Brand | Tri Component |
| Thread Style | Right Hand |
| Metal Type | Alloy Steel |
| Head Type | Hex |
| Number of Pieces | 3 |
| Manufacturer | Tri Component |
| Item Weight | 0.8 ounces |
| Package Dimensions | 8.94 x 6.85 x 0.71 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | B-78K-3-AMZ |

## Images

![Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78 - Image 1](https://m.media-amazon.com/images/I/81o-hWFae0L.jpg)
![Torque Converter Bolts, Heavy-Duty. M10-1.50 x 15mm, fits GM TH-350/700/400/200, 4L60, 4L60E,4L80E, 3L80 B78 - Image 2](https://m.media-amazon.com/images/I/41ljzR-dpWL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Exactly as advertised and excellent quality
  

*by B***L on Reviewed in the United States on October 8, 2023*

Excellent quality!!

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Just what I needed
  

*by A***R on Reviewed in the United States on October 24, 2020*

The shipping time was long but the bolts were the bolt were the right length and thread size.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Will use again
  

*by L***S on Reviewed in the United States on January 3, 2020*

Great bolts came quick

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**Shop now:** [https://www.desertcart.gr/products/120757487-torque-converter-bolts-heavy-duty-m10-1-50-x-15mm](https://www.desertcart.gr/products/120757487-torque-converter-bolts-heavy-duty-m10-1-50-x-15mm)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-09*