Holley fuel regulator.  Model 12-803.  Light used, in excellent condition.  

See other parts in our store, Used Race Parts Supply. 
On Apr-20-06 at 11:21:31 PDT, seller added the following information:

After purchasing, pay instantly with your credit card through PayPal!
Pay me securely with any major credit card through PayPal!
(2VisaMasterCardDiscoverAmerican Express

On Feb-04-13 at 12:08:00 PST, seller added the following information:

FREE! Sellers: Add a FREE map to your listings. FREE!