Fasteners› Engine Fastener Kits

Gator Fasteners

Gator Fasteners Heavy Duty Main Stud Kit Chevy/GMC (2001-05) 6.6L LB7 and LLY Duramax Diesel

$279.99

SKU: G05P MSK667Y

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Gator Fasteners MSK667Y Heavy Duty Main Stud Kit is ideal for your 2001-2004 GM 6.6L Duramax LB7/LLY engine build. This main stud set is designed to hold the bottom end of your engine together in performance applications. This kit is an excellent addition whether you're building a race engine, a tow rig, or a daily driver. This fastener set is constructed with strength in mind and will prevent stretching, unlike the factory bolts.

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

BrandGator Fasteners
Part NumberG05P MSK667Y

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