Hey guys I'm building a stroker 408 for my truck and was at a local swap meet and saw some j heads with 2.02 intake valves and it has valve springs for 650 lift cam not sure on what brand valves or if it has 3 angle valve job and has Harland sharp roller rockers 1.5 ratio guy raced it then in a dart that ran 10's he only had 300 passes bolt on ready he's asking 850 was wondering if it is worth it? With my build I am wanting to run 10.5:1 compression bottom end had eagle rods windage tray and arp bolts I'm gonna run Edel rpm intake with Holley 750 I was shooting for 450-500 hp and also a any input on a good cam to go with this will be mostly street driven and little track and also has a 4 speed behind in thanks in advance sorry for how long this is haha

Hey guys I'm building a stroker 408 for my truck and was at a local swap meet and saw some j heads with 2.02 intake valves and it has valve springs for 650 lift cam not sure on what brand valves or if it has 3 angle valve job and has Harland sharp roller rockers 1.5 ratio guy raced it then in a dart that ran 10's he only had 300 passes bolt on ready he's asking 850 was wondering if it is worth it? With my build I am wanting to run 10.5:1 compression bottom end had eagle rods windage tray and arp bolts I'm gonna run Edel rpm intake with Holley 750 I was shooting for 450-500 hp and also a any input on a good cam to go with this will be mostly street driven and little track and also has a 4 speed behind in thanks in advance sorry for how long this is haha