Himore 2600 PSI 2.4 GPM Pump | 7/8-inch Horizontal Shaft with Keyway | Fits Honda GC160 | The ROP Shop

Overview

The Himore 2600 PSI pump from The ROP Shop is designed to upgrade compatible pressure washers with a reliable, easy-to-maintain horizontal-shaft platform. Its orientation is built for horizontal mounting, with the oil cap oriented upward for straightforward maintenance. The unit is marketed toward a range of makes and models, including rigs powered by Honda GC160 horizontal engines, offering a practical path to enhanced cleaning power without a full upgrade to a new washer.

Crafted to deliver solid performance in a compact footprint, this pump emphasizes straightforward assembly and everyday usability. Rather than promising dramatic changes, it presents a credible option for users seeking stronger spray with a compatible engine setup, while keeping safety and maintenance in clear view.

Core specifications

• Maximum pressure around 2600 PSI and flow about 2.4 GPM for robust cleaning efficiency
• Maximum pump speed near 3400 RPM with a 7/8-inch hollow short shaft for a compact fit
• Bolt pattern roughly 2 5/8 inches center-to-center and 1 7/8 inches to outer holes for versatile mounting
• Up to 6.5 GHP and water temperature handling up to 140°F, suitable for many outdoor tasks
• Inlet connections compatible with standard garden hoses; outlet uses a 22mm male fitting
• Oil capacity around 75 mL (2.5 oz); includes a sight glass to monitor level and a drain plug for easier changes
• Keyway and overall dimensions designed for stable, horizontal operation; running beyond rated PSI is not recommended

What’s included

• Pressure washer pump with chemical injector, unloader valve, thermal relief valve, outlet tube, and oil cap
• One keyway and one hose, all shown in the product photos

Fitment, installation, and care

This pump is optimized for horizontal mounting, with the oil cap oriented upward. A minimum power input of about 5 HP is advised to handle the rated PSI, and the head should not be flipped during installation. The unit ships with a pre-installed thermal relief valve to support safe operation. For maintenance, the gear oil (85W-90) is required in a 75 mL quantity, and the design includes a sight glass and drain plug to simplify checks and changes.

Usage ideas and expectations

With its 2600 PSI capability and 2.4 GPM flow, this pump can help elevate the efficiency of compatible pressure washers in tasks like patio cleaning, vehicle detailing, and yard equipment upkeep. It presents as a practical upgrade path for users seeking stronger spray without purchasing a whole new machine, while keeping compatibility with Honda GC160 horizontal engines a central consideration. Benefits are presented as possibilities, based on setup and usage, rather than guarantees.