JAVIK Ball Joint Kit for Honda TRX300 TRX400 — 4‑Piece OEM-Fit Upper & Lower, Steel/Rubber

This complete ball joint kit includes upper and lower joints plus the fasteners you need to restore front-end articulations on compatible Honda ATVs. Built from steel and durable rubber components, the set provides the correct dimensions and hardware to match factory fitment for TRX300 and TRX400/Foreman 400 models across multiple model years. Each kit contains four ball joints along with lock nuts, split pins, and circlips so you can replace both left and right assemblies in one service session.

Which Honda ATV models and years does this kit fit?

The JAVIK kit is manufactured to match OEM specifications and fits a range of Honda FourTrax and Foreman machines. Confirm compatibility by checking the OEM part numbers and your vehicle year before ordering.

• Foreman 400 TRX400: 1995–2003
• FourTrax 300 2x4 TRX300: 1993–2000
• FourTrax 300 4x4 TRX300FW: 1988–2000
• Cross-referenced OEM numbers: 51355-HP5-601, 51355-HC5-004, 51355-HM5-931

What components are included and how do they match factory parts?

The package supplies everything needed to replace upper and lower ball joints on both sides of the front suspension. Parts are sized to align with factory mounting points and come with the complementary fasteners to complete installation without sourcing extra hardware.

• Ball Joint x 4 (upper and lower positions)
• Lock Nut x 4 to secure studs
• Split Pin x 4 for cotter-pin style retention
• Circlip x 4 for retaining components in housings

What materials and dimensions should I expect from this replacement kit?

JAVIK manufactures the joints using a combination of metal and elastomer for strength and controlled movement. The rubber components help seal and dampen while iron provides the structural support for steering loads.

• Main materials: iron (metal housing and stud) and high-quality rubber seals
• Typical product size referenced: approximately 66 x 32 mm
• Designed to match OEM tolerances for smooth fit and alignment

How do I handle installation and after-sales support?

Installation follows standard ball-joint replacement procedures — remove the old joints, swap in the new assemblies, and fasten with the included nuts, split pins, and circlips. If you run into fitment questions or need assistance, JAVIK provides customer help to guide you through part identification and troubleshooting.

• Includes all required fasteners to complete a left and right replacement
• Follow vehicle service manual torque and safety procedures
• JAVIK offers 24-hour customer service and a 1-year product service policy

Who is this for: This ball joint kit is intended for owners, mechanics, and ATV restoration projects that need direct-fit replacement suspension components for Honda FourTrax 300 and Foreman 400 models. It's geared toward people who want OEM cross-referenced parts with included hardware to perform a complete front suspension refresh in a single service session. Verify your ATV's model year and OEM numbers before purchase to ensure proper compatibility.