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  5. Forgeline GA1R Open Lug Cap 18x8.5

Forgeline GA1R Open Lug Cap 18x8.5

Your Price: $1,550.00
Part Number: 4160
Availability: In Stock

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Perhaps the most advanced wheel that we have ever made, the fully-forged one-piece monoblock GA1R delivers a trifecta of greatness - strength, stiffness, and lightweight performance - thanks to 6061-T6 monoblock forgings, I-beamed spokes, and Forgeline engineering. Now for serious drivers who are looking for the ultimate in lightweight performance, the deal just got even sweeter with the new GA1R Open Lug Cap Edition.

Similar to our race-proven GA1R Open Lug wheel, the GA1R Open Lug Cap Edition has significant material machined from the center area for additional weight reduction, improved access to the lugs, and an exaggerated extra-aggressive concave look. But unlike the Competition Series GA1R Open Lug racing wheel (which will NOT accept a center cap), this "Cap Edition" has a redesigned hub center and includes a unique specially-engineered tall center cap (with “Motorsport” engraving) to cover the hub spindle and protect it from the elements.

The GA1R Open Lug Cap Edition is engineered for racing with a 2100 lb. street-tire load rating (per wheel) to ensure strength and integrity, even when subjected to the massive loads encountered on the stickiest race tires.

The GA1R Open Lug Cap Edition is produced using our traditional forging method from 6061-T6 aluminum. It is currently available in 18, 19, 20, and 21-inch sizes with a range of widths and offsets. (Please Note: Depending on size, the GA1R Open Lug may be available in deep, medium, or shallow concave profiles. See sizing chart for details.) And just like any Forgeline wheel, the GA1R Open Lug Cap Edition is available with fully customizable finish options. However, custom logos or blank caps are not available. 


  • One-Piece Monoblock Design

  • Concave Profile

  • I-Beamed Spoke Technology

  • Extreme Stiffness

  • Extreme Fatigue Strength

  • 2100 lb. Street-Tire Load Rating (per wheel)

  • Lightweight - Up to One Pound Lighter Than the Standard GA1R

  • Open Lug Center Provides Improved Lug Access and Exaggerated Extra-Aggressive Concave Look

  • Includes Unique Specially-Engineered Tall Center Cap (with "Motorsport" Engraving)

  • Generous Brake Clearance

  • Forged 6061-T6 Aluminum

  • Customizable Finish Options

  • Legendary Forgeline Quality and Customer Service
 Prices Shown Per Wheel

One Piece Monoblock Wheel, Custom Offset 18"

Please Call our toll free number (888.493.8041) for final fit and pricing

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