I have a very clean vertex magneto for chevy small block or big block- has tach drive feature if you need -This unit is in ex cond and was serviced last by French Grimes --they are world famous mag specialist--they were know for "hopping up" just about anything that was ever sent to them--this mag has been converted by them for external coil use--this means HOT HOT HOT! That was always what sprint car guys and everyone did to the original Vertex units for more reliable operation and hotter spark This unit ready to install with near new cap--drop in and go! I am cleaning out and selling off all my spares--This is a great mag priced WELL below Ebay price first person to contact me gets it Shipping is $20 to any USA address lower 48 will be packed well! Paypal OK or postal money order Call me 704 244 6649 or email me [email protected] Thanks!! Perfect for that Gasser, FED, dragster, rat rod etc