ICT Billet 551347-LT-LS1 LT1 Cylinder Head, LS1 Cathedral Adapter

Adapts Gen V LT square port heads to LS Gen III cathedral port car or truck intake manifold

**** Not compatible with direct fuel injection systems (use ICT direct injection plates 551325)

• Compatible with (cylinder head) engine RPO codes: LT1 LT2 L82 L83 L84 L86 L87 L8B
• Compatible with (intake manifold) engine RPO codes: LS1 LS2 LS6 LY2 L20 LH6 LY5 LMG LC9 LS4 LH8 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33
• Adapter is 1.25" thick
• Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum
• Package includes: 1 set of adapters plates, oring seals, and mounting hardware to attach adapter to the cylinder heads
• Not compatible with direct fuel injection systems (use ICT direct injection plates 551325)

**re-use your OEM intake bolts for mounting the intake manifold to the adapter plates