Fasteners› Wheel and Tire Fastener Kits

Gorilla Automotive

12MM X 1.50 ACORN BULGE SEAT (13/16IN HEX) CLAMSHELL

$26.94

SKU: G011 91137

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Gorilla Automotive 91137 is a wheel lug nut set designed with an acorn bulge style. These closed-end lug nuts feature a conical seat type and a 13/16" (21mm) hex size. They have a M12-1.50 MM thread pitch and a chrome-plated finish. This specific set includes 4 lug nuts.

Gorilla Automotive lug nuts are known for setting industry standards in quality and durability, with the company having been at the forefront of innovation since 1976. The lug nuts are triple nickel chrome plated. They are designed specifically for original equipment factory aluminum wheels and may not fit aftermarket or factory steel wheels.

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

BrandGorilla Automotive
Part NumberG011 91137

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