Moroso 72300 H.E.I Advance Curve Kits<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Three sets of advance springs</li><li>Weights and centerplates are precision stamped</li><li>Recurves your distributor for full spark advance</li><li>Manufacture 90 days limited warranty from day of purchase</li></ul></div><img src="http://ecx.images-amazon.com/images/I/414rly98bPL.jpg" noproxy>