RRW Spline Closed End Lug Nuts (14x1.5 ET)

The RRW Spline Closed-End Lug Nuts (14×1.5 ET) are engineered to provide maximum strength, security, and proper thread engagement when running aftermarket wheels. Designed specifically for RRW wheels, these lug nuts use an extended thread (ET) design to compensate for shorter factory wheel studs found on many modern Toyota platforms.

Constructed from hardened cold-forged vanadium steel, these lug nuts are built to handle hard use while resisting corrosion, rust, and paint chipping. The narrow spline profile fits perfectly into RRW’s 29mm countersunk lug holes, while the closed-end design keeps threads protected from the elements.

Note

• Seat Type: 60° conical seat (compatible with all RRW wheels)
• OEM Lug Nuts: Not compatible with aftermarket wheels
• Chevy & Ford Trucks: Although 14×1.5 fits, the closed-end design is too short—open-end lug nuts are recommended instead

Features

• Spline Drive Design: Unique spline pattern acts as a theft deterrent
• Extended Thread (ET): Improves thread engagement on Toyota platforms with short studs
• Cold-Forged Vanadium Steel: Extremely strong and impact-resistant
• Corrosion Resistant: Salt spray tested and specially treated finish
• Closed-End Design: Protects wheel studs from dirt and moisture
• Knurled Ends: Easy installation and removal using the included key
• Wheel Optimized: Designed for wheels with 29mm countersunk lug holes

What’s Included

• 24 × Closed-End ET Lug Nuts (14×1.5)
• 1 × Spline Key (special fitted)

Vehicle Fitment

14×1.5 ET

• Toyota Tundra (2nd & 3rd Gen)
• Toyota Tacoma (4th Gen – 2024+)
• Toyota 4Runner (6th Gen – 2024+)
• Lexus GX550
• Ford Maverick
• Jeep Wrangler / Gladiator

Not Compatible With

• Toyota Tacoma (2023 and older – requires 12×1.5)
• Toyota 4Runner (2023 and older – requires 12×1.5)

Why Use ET (Extended Thread) Lug Nuts?

Toyota trucks are known to have short wheel studs. When switching from OEM wheels to aftermarket wheels with conical seats, thread engagement is reduced compared to factory setups.

RRW ET lug nuts solve this problem by:

• Increasing thread engagement for safer wheel retention
• Allowing the lug nut shank to seat deeper into the wheel
• Making the wheel both hub-centric AND lug-centric
• Restoring OEM-level wheel securement and peace of mind

These ET lug nuts are fully compatible with all RRW wheels and are strongly recommended for proper installation.