572 Long block w grumpy heads
 

This is the 572 I had built by MDG Marine, i was going to put it in my 55 Gasser. but Ive taken another direction with it. 572 Grumpy heads should be about 730/740 hp on pump gas... long block only 8500.00... valve covers and injection sold seperatelyhttps://cimg8.ibsrv.net/gimg/www.off...26fc8257ad.jpg
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