7000 RPM small block

My 340 made peak hp at 6900 rpms. We went as high as 7400rpms on the dyno but there was no gain in power. Peak was 478hp and 410ftlbs @5300rpms

* 1973 340 block
* decked to +.020 deck height(pistons above deck)
* bored .030 over
* Ross flat tops with max weight removal option*** and .927 pin bores* B&B tool steel wrist pins, 2.500 X.927 X .090 wall(piston and pin 525g)
* OE rods bushed to .927, fully polished, resized, lightened, ARP bolts
* OE steel crank( reground, strokes equalized, indexed)
* Milodon deep pan
* Melling oil pump
* double roller timing set
* Crower 262/265 @ .050, .575/.585 solid lifter cam
* Crower lifters
* ported 587 heads with MP 2.02/1.60 valves, milled for true 11:1 CR flow 260/173 at .600 lift
* bronze guides and hardened exhaust seats
* Crower dual springs
* Comp 10deg retainers and machined locks
* Edelbrock Victor ported
* Proform 750
* Harland Sharp 1.5 roller rockers and HD thick wall shafts
* Crane pushrods
* MP moly coated fuel pump eccentric
* MP OEM replacement 340 damper