Weld Racing 70HP8110W61A RT-S S70 Forged Aluminum Wheel 18x11 5x115 6.1in Backspace

The Weld Racing RT-S S70 (70HP8110W61A) is an 18x11-inch three-piece forged aluminum wheel built for serious street and strip performance. Sized at 18" x 11" with a 5x115mm bolt pattern and 6.1" of backspace, this rear wheel delivers the precise fitment and aggressive stance demanded by modern muscle car builds and high-performance applications.

Weld Racing's RT-S S70 series uses a unique welded three-piece modular construction, combining a forged billet aluminum center with cold-forged rim shells. This design delivers an exceptional strength-to-weight ratio while allowing for the application flexibility that serious racers require. Primary forging-grade aluminum alloys are used throughout, ensuring the structural integrity needed to withstand repeated high-load launches and track abuse.

Key Features:

• Three-piece welded forged construction for superior strength-to-weight ratio
• Forged billet center paired with cold-forged rim shells for proven durability
• Wheel size: 18" x 11"
• Bolt pattern: 5x115mm
• Backspace: 6.1"
• Tested with F.E.A. (Finite Element Analysis) and in-house destructive testing for verified safety
• Matching push-through center cap and valve stem included
• Lug nuts sold separately — conical seat lug nuts required for 18" wheels
• Manufactured in Kansas City, MO, USA

Weld Racing has been engineering performance wheels since 1967, and the RT-S S70 continues that tradition of American-made craftsmanship. Whether you're chasing elapsed times at the strip or perfecting your build's stance, the 70HP8110W61A delivers the strength, precision, and style that Weld Racing is known for.