k24u

I just had mine done 454 gen V block bored .030 over speed-pro pistons forged balanced and blueprinted they had to add 2 3/4x 1"mallory to crank new cam bearings and rod and mains arp bolts rods resized wash block hot tank brass freeze plugs 1600.00 I did the disassembly and assemble I bought my own cam and lifters and timing set they also did a set of heads dart ported and flowed 2.19 in 1.88 exhaust severe duty and inconel exhaust comp springs 10 degree retainers bronze valve guides k-line seals and guide plates large oval port heads 117cc chambers charged me 1200.00 for heads and work they told me with my combination I should run a mim 475 hp