Fasteners› Wheel and Tire Fastener Kits
Gorilla Automotive
Gorilla SD DUPLEX KEY TRK 13/16in 7/8in HEX BULK
SKU: G011 1378SD-KEY
Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Gorilla Automotive |
| Part Number | G011 1378SD-KEY |
Videos
Lug Nuts - Spline Drive McGard and Gorilla and What and Why Jeep Wrangler
#165 Try "Spline" Lug Nuts | At The Ranch
Spline Drive Tuner Lug Nuts: Dorman Better Than Gorilla Lugs, Muteki, JDMSpeed
Best Car Wheel Theft Deterrent Lug Nut? Can Any Wheel Lock Prevent Theft? Let’s find out!
What lug nuts I chose, and why it's important.
Which LUG NUT should I buy...?
Changing out Fords TERRIBLE Lug Nuts with Gorilla Brand
Lug Nuts | Wheel Tips
Buy with Confidence
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.
View Full Return Policy