4G63 1G head CNC ported, reconditioned, stock valves and springs, bronze guides,

multi angle valve job, milled flat and assembled with new seals..... $1399

Manley 1mm oversize stainless valves add $279

Manley Titanium retainers add $199

Manley hi-performance valve springs add $169

 ** all prices based on customer sending good usable core**

Intake flow:

280 cfm @ .400" lift

289 cfm @ .450" lift

291 cfm @ .500" lift

Intake flow:

272 cfm @ .400" lift

281 cfm @ .450" lift

287 cfm @ .500" lift

Intake flow:

265 cfm @ .400" lift

276 cfm @ .450" lift

280 cfm @ .500" lift

**ALL tests done with stock diameter bore

on a superflow SF-600 flow bench at 28" H2o**