63 pontiac 421sd swiss cheese engine
for sale is an ultra rare pontiac 63 421 super duty 2 4bbl engine out of one of the frost silver swiss cheese cars. 13-5 engine code. 544988 casting block. vin# of the car is stamped on the block. it is missing some pieces like the correct balancer and distributor. I have owned this for almost 40 years. it has been a great conversation piece. I have been selling off some of my really rare engines and decided to list this one also. it is listed in petes book as one of the unknown delivery cars. I bought it from mickey thompsons family member along with a bunch of other early sd stuff. $30,000.00
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