These clutch kits are designed for use with SPEC flywheels or any aftermarket LS1/6 single mass flywheel, which bolt to the LS7 and offer a considerable reduction is rotating mass. These kits increase friction surface diameter to 12inches while reducing rotating mass by up to 36%. The SC57 flywheels are for use with non-stock clutch designs. For a flywheel to be used with the OE style clutch, use pn SC66A-2 or SC66S-2. The package includes race bolt kit and tool.
Rush Shipping Information: Overnight/Rush shipping is not from the time that the order is placed rather it's the shipping method after the item is shipped. 2nd day air for a clutch kit is aprox $100-120 Next day air is aprox $130-160. These are just estimates and may range up or down by as much as 20%, the exact amount will be quoted before we charge your card if you want to request rush shipping.
* Please note that there is a shipping discount on multiple items in the same order(excludes oversized items). The shipping amount here reflects a 1 item/part purchase. Shipping price reflects shipping within the contential US. All other locations extra.