If you need a replacement cam pulley spider gear for your small block Ford Yates style belt drive system, this is a great deal. This is a slightly used upper spider gear in top condition from Robert Yates Racing. This spider gear uses the keyway type cam drive. It is machined out of billet aluminum with hardened steel studs to reduce the change of stripped threads. This is that part that attaches the upper pulley to the cam. This is a great way to save a ton of money on a very expensive part. This spider gear costs well over $120 each to buy new. Buy one here and save a bunch of cash. This part has been inspected for wear and is in outstanding condition. Great for a backup or for reconditioning your belt drive system.

This part is designed to work on small block Ford engines including 289, 302, 351W and 351SVO racing blocks. You will not find nicer belt drive system parts on the market. These are the parts trusted by Robert Yates Racing’s NASCAR team. No one else makes a belt drive used by a Ford NASCAR team today.