I received the following message from a Pontiac owner in West Chester, PA:

1965 Pontiac 421 HO for Sale

Engine is totally fresh, has never been started, and is complete and machine shop assembled by Jess Miller of West Chester, PA. A well known and competent race engine builder of long standing.
It is complete LESS pulleys, PS pump, alt., or starter. I have that stuff if anyone buying the engine needs them.
Timing chain is Cloys double roller with timing chain cover and NOS water pump installed.
All parts in the engine are new or NOS GM.
Tri-Power is factory correct and complete with linkage and fuel lines. Carbs have not been rebuilt.
Everything is ‘65 vintage except the heads.
Heads are RA III # 12 open chamber, Street ported to flow approx.. 240-plus cfm.
Package includes the factory HO Long Branch cast Iron headers bolted to the heads.
Valve train consists of the Melling RA IV cam, GM RA IV anti-pump lifters, RA IV push-rods, rockers and springs. The valves are GM.
Block was bored .030 over with new forged aluminum Sealed Power pistons and rings. Pistons have the factory dish and produce about 10 to 1 compression ratio.
Rods are NOS 73-74 GM Super Duty.
Crank is stock 421 and the rotating assembly is balanced to race specks.
It is capped off with an NOS baffled oil pan.
The engine is assembled and painted the correct factory color.
Engine is accurately estimated to produce near 500 horsepower at the crank.
Machine shop receipts for $4000.
Engine is priced to sell at $ 6500

Contact Bill Ewing at 484 889-9197 if you're interested, and tell him where you heard about it.