SPEEDGEAR X2 XTRA-LARGE

Product Overview

The SPEEDGEAR X2 XTRA-LARGE is designed for select Liftmaster and Chamberlain Belt Drive openers with 19-tooth gears (Part# 041C0589-2). This modification doubles your garage door's opening and closing speed while maintaining smooth operation and reliability.

Compatibility

• LM 87504, 87504-267
• LM 85503, 85503-267, 8550, 8550W, 8550WL, 8550WLB
• LM WLED, WLED-267
• CH WD962KEV, WD962MLEV, 349544
• CH WD962KPEV, LC1500EV
• CH HD920EV, HD920EVC
• CH LW5000EV, LW5000EVC
• CH B730, B730C, B740

Installation Requirements

Installation typically takes 30-45 minutes and requires the following tools:

• ½-inch open-end wrench
• Needle-nose pliers
• ¼-inch screwdriver
• Optional: Vise grip

What's Included

• Gear mod
• Gear clip
• Chain extension
• 2 chain links
• Lubricant packet

Safety & Requirements

Before installation, ensure your garage door meets these requirements:

• Door weight must not exceed 30 lbs
• Springs must be properly balanced
• Not recommended for homes with young children due to increased speed
• Regular safety sensor testing is required
• Springs should be replaced every 3-5 years or 10,000 cycles

Benefits

• Faster opening & closing reduces wait time
• Improved climate control for your garage
• Enhanced security with faster closing
• Reduced risk of accidental door contact
• Professional-grade performance upgrade

Important Notes

This modification may void your Liftmaster warranty. This is a third-party modification not affiliated with Liftmaster.

Installation Manual

Download our comprehensive installation manual with detailed instructions and safety guidelines: