---
product_id: 7601028
title: "10305 30WT Synthetic Race Motor Oil (10W30) - 1 Gallon"
brand: "red line"
price: "₩254180"
currency: KRW
in_stock: true
reviews_count: 7
category: "Red Line"
url: https://www.desertcart.kr/products/7601028-10305-30wt-synthetic-race-motor-oil-10w30-1-gallon
store_origin: KR
region: South Korea
---

# 2-4% more power boost Polyol ester base for film strength Superior startup protection 10305 30WT Synthetic Race Motor Oil (10W30) - 1 Gallon

**Brand:** red line
**Price:** ₩254180
**Availability:** ✅ In Stock

## Summary

> 🏁 Unlock race-day power and protection every mile.

## Quick Answers

- **What is this?** 10305 30WT Synthetic Race Motor Oil (10W30) - 1 Gallon by red line
- **How much does it cost?** ₩254180 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/7601028-10305-30wt-synthetic-race-motor-oil-10w30-1-gallon)

## Best For

- red line enthusiasts

## Why This Product

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

## Key Features

- • **Power-Enhancing Formula:** Delivers 2-4% more horsepower than standard oils of similar viscosity—feel the difference on every drive.
- • **Race-Proven Performance:** Trusted by NASCAR & Dirt Late Model champions for unbeatable engine protection.
- • **Thermal & Fuel Stability:** Polyol ester base stocks maintain film strength even with excess fuel dilution, ensuring consistent protection.
- • **Advanced Friction Control:** Reformulated to reduce friction, improving efficiency and engine longevity under extreme conditions.
- • **Universal Fit & Reliability:** Compatible with most vehicles, backed by Red Line’s legacy since 1979—no compromises on quality.

## Overview

Red Line 10305 30WT Synthetic Race Motor Oil (10W30) is a high-performance, multi-grade synthetic oil engineered for motorsport excellence. Featuring polyol ester base stocks for superior film strength and a reformulated friction-reducing formula, it delivers 2-4% more power and enhanced startup protection. Trusted by top NASCAR and Dirt Late Model teams, this 1-gallon oil offers universal fitment and unmatched reliability for professional-grade engine care.

## Description

Buy Red Line 10305 30WT Synthetic Race Motor Oil (10W30) - 1 Gallon: Motor Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great for Spec Miata race car. - Lower viscosity than most 10-30 oils but higher anti wear additive package.
Review: This is the stuff! - The only oil I will feed my Spec Miata. Oil analysis showed good activity after four race weekends, but I change after every other one.

## Features

- IMPROVED PROTECTION - at startup, lower oil temp, cleanliness, used by top teams in NASCAR, Spec engines for Camping World East and West Series, and used by many of the top Dirt Late Model teams
- REFORMULATED FOR - improved frictional properties
- POLYOL ESTER BASE STOCKS - provide more stability and film strength when exposed to excess fuel dilution
- MULTI-GRADE RACE OIL - offering 2-4% more power than oil of a similar viscosity - 20WT is a 5W20, 30WT is a 10W30, 40WT is a 15W40, 50WT is a 15W50
- WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003TQBUBK |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #320,546 in Automotive ( See Top 100 in Automotive ) #1,214 in Motor Oils |
| Brand | Red Line |
| Customer Reviews | 4.7 4.7 out of 5 stars (27) |
| Date First Available | June 23, 2010 |
| Global Trade Identification Number | 00083522103053 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 7.81 pounds |
| Item model number | RED10305 |
| Manufacturer | Red Line |
| Manufacturer Part Number | 10305 |
| Model | 10305 |
| OEM Part Number | 10305 |
| Product Dimensions | 6.6 x 7.45 x 11.35 inches |
| SAE J300 Viscosity Grade | 10W-30 |
| Size | 1 Gallon |
| UPC | 083522103053 |
| Vehicle Service Type | Car |
| Viscosity | 10w-30 |

## Product Details

- **Brand:** Red Line
- **Liquid Volume:** 3.79 Liters
- **Package Information:** Jug
- **Vehicle Service Type:** Car
- **Viscosity:** 10w-30

## Images

![10305 30WT Synthetic Race Motor Oil (10W30) - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/713oXQ4V5bL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for Spec Miata race car.
*by S***G on September 17, 2024*

Lower viscosity than most 10-30 oils but higher anti wear additive package.

### ⭐⭐⭐⭐⭐ This is the stuff!
*by P***S on November 14, 2017*

The only oil I will feed my Spec Miata. Oil analysis showed good activity after four race weekends, but I change after every other one.

### ⭐⭐⭐⭐⭐ Five Stars
*by A***K on August 2, 2018*

Great oil for vintage FV.

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**Shop now:** [https://www.desertcart.kr/products/7601028-10305-30wt-synthetic-race-motor-oil-10w30-1-gallon](https://www.desertcart.kr/products/7601028-10305-30wt-synthetic-race-motor-oil-10w30-1-gallon)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-01*