Secure AMPS cmpatible device directly to your windshield with the RAM® Twist-Lock Suction Cup 1" Ball Mount featuring a universal AMPS base. Designed for professional drivers, work trucks, service vehicles, and everyday commuters, this mount delivers rock-solid suction performance with full adjustability.
The powerful 3.3" twist-lock suction base creates a strong hold on glass and other smooth, non-porous surfaces. Paired with the RAM® patented 1" B-size rubber ball and socket system, this mount allows near-infinite positioning so you can dial in the perfect viewing angle while reducing vibration to protect your electronics.
Whether you're installing a GPS unit, tablet cradle, telematics device, or AMPS-compatible holder, this mount provides a clean, drill-free solution that installs in seconds.
As an Authorized RAM Mounts Dealer, Gadget Mounts supplies genuine RAM® components backed by the manufacturer’s lifetime warranty.
Key Features
• Heavy-duty 3.3" twist-lock suction cup for secure windshield mounting
• Universal 4-hole AMPS plate fits many GPS and device cradles
• 1" B-size rubber ball reduces shock and vibration
• Medium double socket arm for flexible positioning
• Drill-free installation – ideal for leased vehicles and fleet installs
• Marine-grade aluminum construction for long-term durability
• Made in the USA
Use Cases & Compatibility
Perfect for:
• GPS navigation systems
• Fleet tracking devices
• Tablets with AMPS cradles
• Mobile data terminals
• Phone holders with AMPS backing plate
• Work truck dashboards
• Service vans and delivery vehicles
Compatible with RAM® and third-party cradles that use the 4-Hole AMPS pattern (1.181" x 1.496").
What’s Included
• 3.3" Twist-Lock Suction Cup Base with 1" Ball
• Medium Double Socket Arm (B Size)
• 2" x 1.7" Square AMPS Plate with 1" Ball
• Assembly Hardware
Specifications
Overall Length (Fully Extended, Straight): 6.69"
Suction Cup Diameter: 3.3"
Socket-to-Socket Arm Length: 3"
Base Plate Size: 2" x 1.7"
Hole Pattern: 4-Hole AMPS (1.181" x 1.496")
Ball Size: B Size (1")
Weight Capacity:
- Standard Use: 2 lbs
- Heavy-Duty Use: 1 lb
Materials: Marine-grade aluminum, high-strength composite
Product Weight: 0.65 lbs
Country of Origin: Made in the USA
Installation Notes
Designed for glass and smooth, non-porous surfaces. For textured dashboards, use a compatible dash disk (sold separately). Always clean mounting surface before installation for best performance.
Brand and Warranty
Brand: RAM Mounts
Part Number: RAM-B-166-347U
Warranty: Manufacturer's Lifetime Warranty