---
product_id: 24363941
title: "YT 6685 GM LS3 UltraLite R/A Kit1.85 Ratio Non-Adj, 1 Pack"
brand: "yella terra"
price: "240.31 DT"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/24363941-yt-6685-gm-ls3-ultralite-r-a-kit1-85-ratio
store_origin: TN
region: Tunisia
---

# Precision machined roller tips 50% less nose weight Balanced for high RPMs YT 6685 GM LS3 UltraLite R/A Kit1.85 Ratio Non-Adj, 1 Pack

**Brand:** yella terra
**Price:** 240.31 DT
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Ride with Precision Performance!

## Quick Answers

- **What is this?** YT 6685 GM LS3 UltraLite R/A Kit1.85 Ratio Non-Adj, 1 Pack by yella terra
- **How much does it cost?** 240.31 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/24363941-yt-6685-gm-ls3-ultralite-r-a-kit1-85-ratio)

## Best For

- yella terra enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Fit:** Designed to fit under standard rocker covers without any additional machining, making installation a breeze.
- • **High RPM Resilience:** Engineered to withstand aggressive loadings at high RPMs, perfect for performance enthusiasts.
- • **Durable Craftsmanship:** Crafted from high-grade aircraft alloy, ensuring longevity and reliability under pressure.
- • **Precision Engineering:** Each rocker arm is precision machined and balanced for optimal performance and efficiency.
- • **Lightweight Innovation:** Experience 50% less nose weight compared to traditional options, enhancing your vehicle's performance.

## Overview

The YT 6685 GM LS3 UltraLite R/A Kit features a revolutionary design that reduces nose weight by 50%, ensuring a seamless fit under standard rocker covers without the need for machining. Made from high-grade aircraft alloy, these precision machined rocker arms are balanced to endure high RPMs, making them the ideal choice for performance-driven vehicles.

## Description

The Ultra-Lite shaft rocker has 50% less nose weight of other shaft roller rockers offerings, fitting under the standard rocker covers with no further machining required. The products come in both 1: 7 and 1: 8 ratios and use a full compliment high quality Torrington bearing set. The rocker body is machined out of the high grade aircraft alloy and roller tips have been precision machined. The rocker arms have been Balanced to withstand the aggressive loadings at the high rpms. The new ultra-lites will provide optimal results for LS series engines, provided the right valve springs and proper pushrod/valve train geometry is in place.

## Features

- 50% less nose weight of other shaft roller rockers offerings, fitting under the standard rocker covers with no further machining required
- Machined out of the high grade aircraft alloy and roller tips have been precision machined
- Rocker arms have been balanced to withstand the aggressive Loadings at the high rpms

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Yella Terra |
| Brand | Yella Terra |
| Item Weight | 8.55 pounds |
| Product Dimensions | 17.8 x 8.9 x 2.2 inches |
| Item model number | YT 6685 |
| Manufacturer Part Number | YT 6685 |

## Images

![YT 6685 GM LS3 UltraLite R/A Kit1.85 Ratio Non-Adj, 1 Pack - Image 1](https://m.media-amazon.com/images/I/61nrVdrUJHL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/24363941-yt-6685-gm-ls3-ultralite-r-a-kit1-85-ratio](https://www.desertcart.tn/products/24363941-yt-6685-gm-ls3-ultralite-r-a-kit1-85-ratio)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-14*