2-pc Crank Pulley/Harmonic Balancer for GM LS, Long, Truck

Machined from 6061-T6511 aluminum for strength while being as light as possible. Available in all three standard LS pulley depths (short, mid, and long styles) Lightening holes to minimize overall weight while improving throttle response. Allows easy pulley changes if different LS front accessory drive depth needed. Pulleys designed for use with included Speedway Motors SFI-rated LS balancer. Pulley and Balancer Kit Easily Converts from One LS Accessory Drive Depth to Another The LS family of engines has no doubt become the mainstay of engine swaps in just about anything with wheels. The allure of cheap horsepower in a compact and easy to install package certainly helps us understand why, but as popular as the LS swap is, there are some things to look out for when performing said swap. One such thing is GM’s decision to use different accessory drive depths across the various platforms the LS engine family has been installed in. While the LS has a lot of commonalities to it (some of which are even shared by its older small block Compatible with Chevy sibling), these differences in LS front accessory drive depth can become a headache for LS swap projects. There are three different LS front accessory drive depths for the various Gen 3 and Gen 4 small blocks found in the LS engine family. There is the short (Corvette), the mid (Camaro), and the long (truck) depth. Each version is used in a specific chassis application to allow the engine to clear the fCompatible with Rame, suspension, cooling fan/radiator, and other components packed into the engine bay. If you’re not sure what accessory drive depth you are dealing with you can determine the original pulley depth via the application list below or see our how to measure your factory crankshaft pulley depth in our installation details section

• Bolt-on LS crankshaft pulley and SFI balancer combo allows easy changes to accessory drive depths
• Available in short, mid, and long LS accessory drive depths to match existing accessories or to change depths
• Pulleys made from 6061-T6511 aluminum for strength and lighter weight and given a gunmetal grey hard coat anodized finish
• Machined lightening holes provide further reduce weight and unique appearance
• Included steel LS balancer is SFI rated, rebuildable, and includes keyway for optional crankshaft pinning