**Jackson Auto Machine** Ported EVO cylinder heads, packages and components.
**Jackson Auto Machine** Ported EVO cylinder heads, packages and components.
Jackson Auto Machine is now offering fully ported cylinder heads for the EVO 8. Available in 3 stages to suit your needs and budget. Check out www.jacksonautomachine.com
Stage I; Complete disassembly, cleaning and inspection of the head, competition multi angle valve job, stainless valves and deck surface is milled to RA50 surface finishe to ensure proper sealing. Head is then finall washed and assembled with JAM performance springs, JAM titanium retainers and JAM valve seals. $1275
Stage II; Includes everything as the Stage I plus 1mm oversize Nitride Coated valves, upgraded single springs, and the intake ports are gasket-matched, chamber are polished and the bowls are blended. $2150
Stage III; The ultimate EVO cylinder head includes all the above plus the installation of Bronze valve guides, machining for Dual Springs, JAM dual valve springs, and full port/polish. A flow sheet will also be included. $2650.
All of the parts included in the head packages are also available for purchase seperately. Parts and prices are here : https://www.jacksonautomachine.com/h...m?sectionId=28
Dont forget to check out www.jacksonautomachine.com for all of your Mitsubishi parts needs!
Stage I; Complete disassembly, cleaning and inspection of the head, competition multi angle valve job, stainless valves and deck surface is milled to RA50 surface finishe to ensure proper sealing. Head is then finall washed and assembled with JAM performance springs, JAM titanium retainers and JAM valve seals. $1275
Stage II; Includes everything as the Stage I plus 1mm oversize Nitride Coated valves, upgraded single springs, and the intake ports are gasket-matched, chamber are polished and the bowls are blended. $2150
Stage III; The ultimate EVO cylinder head includes all the above plus the installation of Bronze valve guides, machining for Dual Springs, JAM dual valve springs, and full port/polish. A flow sheet will also be included. $2650.
All of the parts included in the head packages are also available for purchase seperately. Parts and prices are here : https://www.jacksonautomachine.com/h...m?sectionId=28
Dont forget to check out www.jacksonautomachine.com for all of your Mitsubishi parts needs!
Sorry, forgot to add that there is a core required. You can supply us with a head to modify or we can supply you with a new one.
Last edited by Jackson Machine; Sep 5, 2006 at 04:31 PM.