Welcome to Advanced Induction!  Please have a look around as we revise our website & don't hesitate to contact us if you don't see what you're after!  We'll also be adding many more customer videos of our product in action on our Youtube Channel.

Lots of results, updates & info are on our Facebook Page.

News and Updates:

Christmas & New Years: We will be out through New Years.
Don't hesitate to email, but it may be a few days before we can catch up to you, as we're out of the shop over the holidays.  We'll also be editing & updating some of the website over the next couple weeks, so be sure to contact us for quotes prior to sending in your heads. Thanks guys! -Phil

9-3-14: Large Valve GM243 CNC Program Available
A 2.055" intake valve version of our very popular 232cc CNC work for GM 243/799 castings is currently available. This option increases the power potential of our 232cc work by 15-25hp for most common street applications. Please email for info.  Thanks again!  -Phil

7-6-14: New GM LT-1 Corvette Stingray CNC Programs
We're currently producing various sized offerings for GM's new LT-1 cylinder head, and working primarily with shops to collect data & feedback. Until we finalize offerings, please email for info.  Thanks!  -Phil

3-3-13: GM LSA/LS9 CNC Programs
The GM LSA/LS9 head castings accept all of our CNC work options listed for GM 821 LS3's. The castings and work are excellent for both NA and forced induction applications.  Thanks again!  -Phil

12-18-12: Holiday Scheduling & Correspondence
We will be slowing down through New Years to perform yearly maintenance on machinery. Existing orders will still be in process over the holidays.  I'm still a few days behind on new inquiries after having been out of the shop more than anticipated this month.  Thanks very much & have a great holiday season!  -Phil

05-28-12: Ai 223cc Dart/RHS LSx Cathedral Heads
Our 223cc fully CNC'd Dart/RHS head is a fully CNC'd aftermarket casting based head for guys on a budget.  Available now at introductory pricing:  Click Here for more information.

05-23-12: Ai 230cc Trick Flow LSx Cathedral Heads
Our 230cc fully CNC'd 4.00"+ bore head is based on TFS' bare LSx cathedral head & is ideal for LS2's, strokers, etc. that need more potential than a GM 243.  Available now at introductory pricing:  Click Here for more info!

05-11-12: New 232cc GM 243/799 LS2/LS6 Program
Based on our proven 226cc program, the 232cc option improves cleanup & adds another few potential HP.  Info HERE.

01-21-12: LSx Heads & Cam Kit Info & Pricing
Our System Matched LSx Heads & Cam Kits have been added to the site HERE.

12-26-11: LSx Cam Kit Info & Pricing
Our most common LSx Cam Kit options have been added to the site under LSX>Valvetrain>System Matched Cam Kits.

6-26-11: Back to back dyno test - Ai CNC'd GM 5.3 vs. Aftermarket CNC'd heads
A customer has performed a true A/B dyno test changing only the head from an aftermarket CNC head to our 218cc CNC'd GM 5.3.  The result?  Gains throughout the entire RPM range enhancing both low RPM manners and performance!  His LS1tech results thread is here.

6-16-11: Additional LSx Porting Options
A variety of GM LSx head machining options from our Performance Rebuilds to full CNC porting have been added here.  More photos, results, and links will be added in the near future.

5-3-11: LSx Cams
Ai LSx Cams added here.  Many more grinds to be added as time allows.

4-2-11: New TFS Programs
We're currently testing new TFS casting based LS heads! Look for updates, availability, and pricing soon.

3-16-11: Small Chamber 219cc CNC 241 Program Released
Our small chamber program for the GM 241 casting is currently available. No longer will the 241 guys be forced to choose between compression or camshaft size due to the typical large chamber designs.