Best Ict Billet Engine Intake Manifolds in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Compatible with all GM LS series engines
Passenger side port adapter has two 1/8"npt ports, drivers side port adapter has one 1/8"npt port
Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum
Can be installed on the front or rear of the cylinder heads
1/8" NPT threaded ports
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Increases Fuel Economy From Reduced Air Restriction (Rear Of Plate Is Machined Out For Improved Air Flow)
Machined From Heavy duty 1/2" Thick Billet Aluminum
Compatible With 24 Valve 6BT Cummins Diesel Engines
Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
Includes Plenum Plate Only
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Increases Plenum Volume For Increased Performance
Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
Machined From Heavy duty 1/2" Thick Billet Aluminum
Compatible With Ford Mustang 4 Valve 4.6L Engines
Includes Plenum Spacer And Bolts
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Raises the intake manifold approximately 1/2"
Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
Includes: 2 riser plates, 8 oring seals, and flange bolts (bolts for car intakes included)
LS Intake Manifold Spacer for Cathedral Port Cylinder Head
Compatible with RPO code engines: LS1, LS2, LS6, LR4, LM7, L59, LM4, L33, LQ4, LQ9, LY2, L20, LH6, LY5, LMG, LC9, LS4, LH8
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ❌ | ❌ | ❌ |
Compatible with these engine RPO codes: LS3, L99, LSA, L94, L76, L77, L96, L98, L92, L9H, LY6, LFA, LZ1, LS9
Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
Raises the intake manifold (or supercharger) approximately 1/2"
Includes: 2 riser plates, 8 orings, and flange bolts (bolts included are for "car" intakes)
LS Intake Manifold Spacer for Rectangle Port Cylinder Head.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Raises intake lid 1" to increase plenum volume
Compatible with all Holley EFI Hi-Ram intake manifolds
Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
Includes: intake lid spacer, o-ring, hardware
Can be used to add nitrous fogger nozzles or meth injection
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ❌ | ❌ | ❌ |
Compatible with: CTS-V (ONLY) LSA supercharger lid (will not fit camaro lids)
Has dual -10AN ORB (oring) threaded ports for connecting custom AN hose
Simply unbolt your OEM hose barb manifold, then install this adapter (no modifications required)
Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum
Package includes: 1 adapter block
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Intake Manifold Spacer Compatible With LT4 bolt Pattern Supercharger Or Intake
Made in Wichita Kansas from Aerospace Grade USA Billet Aluminum
Includes Two Adapter Plates (1/2" thick) With Eight Oring Seals And Ten Flange To Head Bolts
Compatible With 2014 And Newer V8 LT4 Series Heads
Compatible With LT4 Cylinder Heads to LT1 Intake Manifold Adapter Plates
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ❌ | ❌ | ❌ |
Adapts Gen V LT square port heads to LS Gen III cathedral port car or truck intake manifold
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
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ICT Billet llc | 9.81 | ✅ | ✅ | ✅ |
Adapts LT gen V LT cylinder heads to LS gen IV car or truck intake manifolds
Compatible with (cylinder head) engine RPO codes: LT1 LT2 L82 L83 L84 L86 L87 L8B
Compatible with (intake manifold) engine RPO codes: LS3 L99 LSA L94 L76 L77 L96 L98 L9H LY6 LFA LZ1 LS9 L92
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
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Ict Billet | 10 |
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