DmaxStore Performance Fasteners

More Power = More Boost = Higher Cylinder Pressure. Keep your head where is belongs with a head stud kit designed by the Duramax ONLY crew at DmaxStore.

If you’re deep enough into your engine to be messing with Main Studs & Rod Bolts, do the right thing and replace them with an upgraded set.

All of the power and torque your Duramax makes is transmitted to the transmission through the flex plate attached to the crank, with flex plate bolts. Need I say more?

To reduce engine vibrations and harmonic frequency imbalances a Harmonic Damper is attached to the front of the crank, with ONE BOLT.

If you’re deep enough into your engine to be messing with Rod Bolts & Main Studs, do the right thing and replace them with an upgraded set.

DmaxStore Performance Fasteners

Our Fasteners are specifically designed to enhance your trucks performance and durability. Crafted with top-quality materials, they offer the strength and stability needed to withstand demanding conditions, whether you're tackling offroad adventures or heavy towing.

Why Choose DmaxStore Fasteners?

  • Expertly Crafted: Our fasteners are designs by Duramax Experts who understand the importance of materials and performance of these high performance diesel engines.
  • Trusted Brand: DmaxStore is a trusted name in the Duramax industry, known for delivering reliable and high performance products

Frequently Asked Questions?

  1. Will these fit my Duramax? These fasteners are designed for 6.6l Duramax engines only, if you have an LB7, LLY, LBZ, LMM, LML or L5P some of these fasteners will fit, please verify in the fitment section on each product to verify it will work on your vehicle or contact our

Stay Connected with DmaxStore

Phone: 877.4MY.DMAX (877.469.3629)

Email: info@dmaxstore.com