to beat a GM 602 crate

If you were running a UMP b-mod and you wanted a mopar motor, what parts would you pick.
One cheap junkyard option and one build.
the competition motor typically being a GM 602 crate rated at 350 HP @ 5000 RPM, 390 ft. lbs. of torque @ 3800 RPM
Bore x Stroke: 4.00” x 3.48”
Compression Ratio: 9.1:1
92 Octane recommended fuel
Cast Iron, 4-bolt main caps
Cam Lift: .435” Intake / .460” exhaust
Cam Duration @ .050”: 212 deg. Intake / 222 deg. Exhaust
Lobe Separation: 112.5 Degree
.194” Intake/ 1.50” Exhaust valves
Stamped Steel, 1.5:1 Ratio rocker ar for $3300 ish

rules for the mopar being steel head and block and no roller cams/rockers. 360 cubic inch max and a holly 2 barrel 500 cfm