Sale

Fasteners› Drivetrain Fastener Kits

Gator Fasteners

Gator Fasteners Heavy Duty Flexplate Bolt Kit for 2001-2025 Silverado/Sierra 6.6L Duramax Diesel Gator Fasteners FPBK66

$349.99 $111.83 Save $238.16

SKU: G05P FPBK66

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Premium Heavy-Duty Flexplate Bolt Kit for 2001-2025 6.6L Duramax Diesel (LB7, LLY, LBZ, LMM, LML, L5P). Made from Gator Fasteners' HD220 material, stronger than 8740 Chromoly Steel. Provides superior clamping load and strength, fully reusable unlike OEM bolts (GM 11610965). Features rolled threads for maximum strength, works with OEM and aftermarket flexplates, and has a 12-point head for maximum torque handling. Ideal for extreme performance applications.

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 FPBK66

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