West Coast Adapter 5×5/5×5.5 to 5×135 87.1mm CB 12×1.5 Studs 1.25" Thick (125-5500/5550-5135)
West Coast Wheel Accessories 125-5500/5550-5135 Adapter 5×5/5×5.5 to 5×135 87.1mm CB 12×1.5 Studs 1.25" Thick allows seamless conversion of wheel bolt patterns for versatile fitment. Designed for durability, this adapter ensures a secure connection between wheels and hubs, accommodating multiple bolt patterns while maintaining vehicle safety and performance. Constructed from high-strength materials, it withstands the demands of daily driving and heavy-duty applications, making it ideal for automotive enthusiasts and professional shops.
Converts 5×5 / 5×5.5 bolt patterns to 5×135.
87.1mm center bore for precise fitment.
12×1.5 stud configuration for secure attachment.
1.25" thick construction for strength and stability.
High-strength materials designed for durability.
Enables compatibility with multiple wheel bolt patterns.
Provides a secure and stable wheel-to-hub connection.
Supports safe driving under standard and heavy-duty conditions.
Durable construction ensures long-term reliability.
Easy installation for professional and DIY use.
Technical Specifications:
Model: 125-5500/5550-5135
Input Bolt Pattern: 5×5 / 5×5.5
Output Bolt Pattern: 5×135
Center Bore: 87.1mm
Thickness: 1.25"
Material: High-strength alloy steel
Product identification
- Brand: West Coast Wheel Accessories
- Model / MPN: 125-5500/5550-5135





