Advanced Induction Cylinder Head Development
Ai System Matched GM LS Cam Kits

     Below are the most common groups of parts requested as a Cam Kit.  The most popular is our "Beehive LS HR Kit," which utilizes the highest quality beehive spring available today.  This spring is a direct swap in part and works phenomenally well with the lightweight OEM retainers & excellent OEM seals.  The "Beehive LS HR Kit" is an excellent option for most HR applications below .630" net valve lift.
     The "BTR Dual LS HR Kit" is a kit based around the BTR .660" rated dual spring kit. It includes Titanium retainers and will handle even the most aggressive high lift cam grinds.  Feel free to ask if you would like a part, seal, etc. added to one of the following kits.  Thanks for your consideration!

Please scroll down for camshaft selection info.



Beehive LS Hydraulic Roller Kit:
  • Ai 3-Bolt Billet Steel LSx Camshaft
  • PSI 1511 MaxLife Endurance Springs
  • Appropriate shims included when applicable
  • Ai 4130 One Piece ChromeMoly Hardened Pushrods 5/16" & .080" Wall Thickness
  • Includes Ai in house QC Inspection to ensure your grind will simply install "straight up," no adjustment required

    Cost: $695

    Component Options:

    Add new OEM GM combination valve seals / spring locators - Cost: $50
    Manley 23622 Titanium Retainers for OEM, PAC, PSI, etc. beehive springs - Cost: $195
Click HERE for info on paying via E-Check

BTR .660" Dual Spring LS Hydraulic Roller Kit:
  • Ai 3-Bolt Billet Steel LSx Camshaft
  • Appropriate shims included when applicable
  • Ai 4130 One Piece ChromeMoly Hardened Pushrods 5/16" & .080" Wall Thickness
  • Includes Ai in house QC Inspection to ensure your grind will simply install "straight up," no adjustment required
  • BTR .660" rated polished dual spring kit w/ Titanium retainers

    Cost: $795
Click HERE for info on paying via E-Check

Cam Options


  • Ai 214 / 224 - .600" / .583" - 117 LSA
    • Very mild idle w/ stock drivability.  Typically makes peak power in the low 6XXXrpm range.

  • Ai 224 / 230 - .610" / .605" - 114 LSA
    • A great daily driver cam.  This grind has a noticeable lope at idle, retains excellent manners, and makes power into the mid 6XXXrpm range.  Most often run in LS1/346's and LS3's.

  • Ai 226 / 234 - .600" / .600" - 113 LSA
    • Our most popular cam for stock short block LS1's.  Noticeable lope, great drivability, and very mild lobe designs for long spring life.

  • Ai 228 / 236 - .626" / .626" - 114 LSA
    • Ideal for max effort HR applications that need a wide power band & do not want to run a large camshaft.

  • Ai 230 / 238 - .605" / .605" - 114 LSA
    • An excellent daily driver cam for stock short block LS2's.  Lopes at idle, and makes peak power in the mid 6XXXrpm range.

  • Ai 234 / 238 - .626" / .626" - 114 LSA
    • Can drive very well with competent tuning.  Lopey idle, excellent in the 4000-7000rpm range.

  • Ai 238 / 242 - .626" / .626" - 115 LSA
    • Largest cam typically run in stock displacement street cars.  Lopey idle, excellent in the 4000-7000rpm range.