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Fasteners› Wheel and Tire Fastener Kits

Gorillas Automotive Products

Spline Drive Tuner Lug Nut 20mm

$117.79 $1.99 Save $115.80

SKU: GORILLA-21188ET

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

It features triple nickel chrome plating and is heat-treated. This lug nut has a closed-end design with a conical seat and a spline drive head, measuring 20 MM in outside diameter. It is designed for wheels requiring tuner-style, small diameter lug nuts with a 1/2"-20 thread pitch.
Show original supplier description
The Gorilla Automotive Small Diameter Spline E-T Lug Nut (part number 21188ET) is engineered to provide superior strength and a refined aesthetic for your vehicle's wheels. Constructed from heat-treated steel and finished with triple nickel chrome plating, these lug nuts are built for long-lasting durability and resistance to corrosion. Their closed-end design ensures a clean look, while the conical seat with a shank and spline drive head offers a secure and precise fit. With a thread pitch of 1/2"-20, an outside diameter of 20 MM, and an overall length of 1.6 inches, they are suitable for a wide range of aftermarket wheels. The product line, Gorilla Small Diameter Lug Nuts, signifies a commitment to quality and performance in wheel fastening solutions. Gorilla Automotive Products has been a leader in innovation and customer service since 1976, setting industry standards for quality fasteners. Using an inferior fastener to secure your wheels is a risk not worth taking. This product is sold individually.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandGorillas Automotive Products
Part NumberGORILLA-21188ET
CategoryFasteners

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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