# MRF S1M4 Plus on Ship.Tires

> Structured data for AI agents and LLMs about the MRF S1M4 Plus tire.

Brand: MRF
Model: S1M4 Plus
Website: https://ship.tires/tires/mrf/s1m4-plus
Variants: 3

## Category

## Available Sizes

## Specs
Load Ratings: 137/135, 146/143, 150/147
Speed Ratings: K

## How to Buy
1. View all sizes at https://ship.tires/tires/mrf/s1m4-plus
2. Select your size and add to cart
3. Free shipping on all orders
4. Professional installation available nationwide

Source: Ship.Tires — https://ship.tires
Updated: 2026-06-17