Lower A-Arm RF USRA B-Mod

The Wehrs Machine WM331RF-B fabricated lower A-arm is designed for USRA B-Mod front suspension applications. This passenger-side lower control arm is built from steel and uses a screw-in ball-joint configuration for precise front-end geometry and serviceability.

Product Details

• Manufacturer: Wehrs Machine & Racing Products
• Part Number: WM331RF-B
• Application: USRA B-Mod
• Position: Right Front / Passenger Side
• Construction: Fabricated steel
• Finish: Black powder coat
• Ball-joint provision: Screw-in

Additional Info

The 2026 USRA B-Mod rules specifically permit Wehrs WM331RF-B as a right-front lower A-frame option. Verify the current class rules and required suspension configuration before competition, as sanctioning-body rules can change.