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The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high...

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high...

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high...

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high...

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high...

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. E...

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. E...

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. ...

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. ...

LT1 Hi-Ram Intake Manifold Stud Kit, Cylinder Head to IntakeFeatures: Stud Kit for Cylinder Head to Intake Studs (Qty 10) Washers (Qty 10) Nuts (Qty 10) Specs: Brand: Holley EFI Category: Engine Color: Silver Emission Code: 4 Engine: GM Gen V...

Fits Holley Hi-Ram ManifoldsFeatures: Modular Design w/ Removable Top A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing Height at Plenum Flange: 9.44” O-Ring Seals for Plenum Top Specs: Brand: Holley EFI Category: Air a...

Fits Holley Hi-Ram Manifolds - They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum.*This flat black powder coating matches 300-653BK ...

Fits Holley Hi-Ram Intakes,Features: Modular Design w/ Removable Top A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing Height at Plenum Flange: 9.44” O-Ring Seals on Plenum Top Specs: Brand: Holley EFI Category: Air and...

Fits Holley Hi-Ram ManifoldsFeatures: Modular Design w/ Removable Top A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing Height at Plenum Flange: 9.44” O-Ring Seals for Plenum Top Specs: Brand: Holley EFI Category: Air a...

Fits Holley Hi-Ram Manifolds.They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The plenum tops are constructed of cast aluminum.Features: Modular Design w/ Removable Top A-B He...

Fits Holley Hi-Ram Manifolds - Holley has launched new black ceramic-coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The ple...

Fits Holley Hi-Ram Manifolds-Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The p...

Fits Holley Hi-Ram Manifolds-Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The p...

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as an alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS...

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as an alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS...

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high ...

The Holley GM LS7 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flow...

The Holley GM LS7 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flow...

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct-injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. ...