2001-2010 Duramax Kryptonite Zinc Plated Wheel Bearing Spindle Bolt (KR1571) Valvetrain The Gen 3 KC300x features

The Gen 3 KC300x features a

Whether you’re pushing higher RPM

this pigtails are a great alternative to replacing the entire wiring harness

The arms are constructed of solid 3/4″ cold-rolled steel

LX4 lubricity additive

2001-2010 Duramax Kryptonite Zinc Plated Wheel Bearing Spindle Bolt (KR1571) Valvetrain The Gen 3 KC300x featuresThese zinc plated bolts attach the wheel bearing to the spindle, they require 133 Ft Lbs of torque when installed, which is why we recommend replacing them when changing out you wheel bearing. These bolts are notorious for wear and rust so we decided to get them zinc plated to prevent any form of oxidation. We always recommend replacing these when changing your Wheel Bearings for easy access. Sold Individually. There are 4 per side on your 8 Lug