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The Holley GM LS1/LS2/LS6 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 h...

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 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...

Stud Kit, LS3 Lo-Ram Intake Manifold MountingSpecs: Brand: Holley EFI Category: Engine Color: Silver Construction: Steel Emission Code: 5 Engine: GM LS3 Finish: Silver Grade Type: Performance Material: Steel Part Type: Engine Intake Mani...

Holley LS Hi-Ram Fuel Rail Adapter Kit is designed for use with the Holley Hi-Ram line of LS intake manifolds. The adapter kit is designed to allow for proper mounting of the fuel rail when using a short LS3/LS7 style injector versus the taller LS...

This fuel rail kit is specifically designed to work with the Holley GM Gen V LT1 EnginesFeatures:Replacement Fuel Rail KitSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Color: Black Emission Code: 4 Engine: GM Gen V LT1 Fittings In...

The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a purpose built plenum base adapter and a Holley 105MM EFI plenum top which converts it into a Mid-Rise EFI intake manifol...

The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a purpose built plenum base adapter and a Holley 95MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold...

The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a purpose built plenum base adapter and a Holley 95MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold...

The Modular Mid-Rise intake utilizes the popular Holley LS3/L92 rectangle port Mid-Rise intake manifold along with a purpose built plenum base adapter and a Holley 105MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold. With a ...

The Modular Mid-Rise intake utilizes the popular Holley LS3/L92 rectangle port Mid-Rise intake manifold along with a purpose built plenum base adapter and a Holley 95MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold. With a m...

The Modular Mid-Rise intake utilizes the popular Holley LS3/L92 rectangle port Mid-Rise intake manifold along with a purpose built plenum base adapter and a Holley 95MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold. With a m...

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifo...

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifo...

The Holley LS1/2/6 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram i...

The Holley LS1/2/6 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram i...

This service part is included with Holley's low-profile intake manifold for the Ford 7.3L Godzilla engine.Features: Replacement O-rings and hardware Included manifold adapter M6 x 16 low profile socket head bolts Fits Holley Low-Profile Intake Man...

This service part is included with Holley's low-profile intake manifold for the Ford 7.3L "Godzilla" engine. To purchase the hardware kit that includes the O-ring Kit, see part # 300-905.Features: Replacement O-rings only (12) O-rings Fits Holley...

O2 weld ring for any application that uses an oxygen (O2) sensor.Features: Bung Weld-In Style Universal application O2 sensor not included Follow installation instructions for accurate use Specs: Brand: Holley EFI Category: Emission Control Col...

Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.Features: 2500-7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cross sectional area...

Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder headsFeatures: 2500-7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cross sectional area - b...

Black Ceramic Coated, Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder headsFeatures: 2500-7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cr...