SBC heads FIVE BUCKS!

[WayFast84]

I have 1 set of stock lg4 heads

and 1 set of 400 sbc heads.

$5 a pair

sold as is, might need to be rebuilt, might not.

[jims69camaro]

is there a casting number on the 400 heads?

[WayFast84]

3973493....71-72...400..........76cc chamber