Enkei 549-290-6540GM Helix 20x9 Matte Gunmetal Flow-Formed Aluminum Wheel

The Enkei Helix 549-290-6540GM is a 20x9-inch flow-formed aluminum wheel finished in matte gunmetal, part of Enkei's performance-focused Tuning Series. Built for enthusiasts who demand both standout style and real-world performance, the Helix combines a sleek 10-spoke design with Enkei's proprietary manufacturing technology for a wheel that looks great and performs under pressure.

MAT Technology & Spec-E Quality:

Enkei manufactures the Helix using their Most Advanced Technology (M.A.T.) process, which integrates one-piece casting with a rim-spinning forming operation. This flow-forming method densifies the aluminum in the barrel, significantly improving material strength and reducing overall wheel weight compared to traditional cast wheels. Every Helix wheel is Spec-E inspected — Enkei's internal quality standard that exceeds the JWL requirements with a higher drop threshold in impact testing and 20% more cycles in rotary bending fatigue tests.

Key Specifications:

• Wheel Size: 20 x 9 inches
• Bolt Pattern: 5x114.3mm (5x4.50 in.)
• Offset: +40mm
• Backspacing: 6.57 in.
• Center Bore: 72.6mm
• Finish: Matte Gunmetal (GM)
• Construction: 1-Piece Flow-Formed Aluminum
• Lug Seat: Conical (60-degree)
• TPMS Compatible: Yes
• Warranty: Lifetime structural warranty

The matte gunmetal finish gives the Helix a modern, aggressive appearance that pairs well with a wide range of vehicle colors and body styles. Sold individually. Lug nuts, hub centric rings, and TPMS sensors are not included.