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100% CNC'd 219cc GM 5.7L LS1 Cylinder Head Packages: GM's #241 5.7L LS1 head casting is one of the most commonly available GM castings out there. At only 15cc over stock volume this particular port sees gains of over 50cfm on the intake utilizing a factory GM 2.00" valve. This budget oriented package has found great success amongst enthusiasts looking for significant gains and no losses down low without sacrificing quality or longevity. The pricing below is for machining on the customers core heads. The factory valves are relatively lightweight and well suited for naturally aspirated applications so we typically use them. They are of course completely cleaned and the seating area is re-ground to ensure a proper seal. Additionally, to keep from unnecessarily enlarging the chamber we prefer to leave it as-cast. We do not feel a few CFM is worth sacrificing compression. However, if you feel you would prefer yours to be machined then simply request it and we will at no additional charge. If you would like a quote for machinework only on parts you already own or are looking for a set of components not listed please don't hesitate to contact us. Photos to be added ASAP.
Note - Our reported flow numbers are obtained without the use of a "pipe" or extension of any kind.
Machining Operations:
Machining Only - $995
Component Group 1 - $1245
Component Group 2 - $1395
Add Manley Race-Flo Stainless Steel Valves to either package for $120 © 2008 Advanced Induction |
