"cheap" = forget the roller cam. Forget the stroker crank.
+.060" 350 with flat top pistons. get the block "0 decked"
This kit has 10-10 bearings and +.060 pistons.
resize stock GM 350rods with arp bolts.
stock GM 350 cast crank.
Summit Aluminum heads
Hand port matched vic Jr intake 750cfm carb
solid flat tappet cam and isky lifters
Isky 547-A timing specs
degree in the cam on a 102° intake C/L
Summit roller rockers
This is a simple, power, full cheap, bolt together dependable bracket motor.
max bang for the buck. The money you would have wasted on a retro roller cam+kit is much better spent on cylinder heads.
The money you saved on the stroker crank you can spend on a quality racing torque converter (9" 4000 stall)
4.10's short slick 4.56 tall slick
This motor is fine on 150-180hp spray if you run it on 100% 110-114 octane race gas and watch the spark timing. Open up the piston ring end gaps for nitrous. bigger is better.
Any more spray than this is not "cheap".