ported and polished stock castings
lift
100- 72 65
200- 143 116
300- 201 149
400- 239 174
500- 249 184
550- 250 187
600- 252 191

intake is port matched to the heads

custom REED grind cam
231/237 544/544 on a 110lsa

all parts have no miles
$1500 takes it