MOPAROFFICIAL said Justin's guide to used small block heads J $heads are $100-200 w/2.02 orig $400 X $300-500 587 $200-350 974 $250-300 308 $300-400 magnifluxed* 302 $150 324 $250 920 $200 315 $200 Variances in condition affect pricing. Click to expand...