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Introducing the Pulsar for 2019-2023 GM Medium Duty 4500/5500/6500 L5D Diesel. A groundbreaking performance module designed to unlock the full potential of your Medium Duty truck. Engineered with precision and innovation, the Edge Pulsar MD offers...

These Stealth throttle bodies do not include injectors as they're designed to be used on MPFI intake manifolds.Features: 4150 flange 950 CFM throttle body Included is a GM TPS Sensor Black color Specs: Adjustable: Yes Brand: Holley EFI Category...

If you are piecing together your EFI system or suffered damage to your current throttle body, we have made it easier to get the parts you need. You no longer need to buy an entire EFI kit to get the service part you need to get back on the street ...

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors....

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors....

Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit. This highly accurate and feature packed unit is designed specifically for use with all EFI or carbureted systems and available in both black and white face versions.Features: Comp...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily i...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily i...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!While these distributors are designed to be used primarily in ...

MULTEC 2 INJECTOR HARNESS - EARLY TRUCKSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 Harness Application: Universal Harness Type: Injector Part Type: Fuel Injection Harness Product Type: LS Multec Style Injector ...

Sniper fuel pumps are designed for carbureted applications. They come with 3/8" NPT inlets and outlets & a 4 amp maximum draw. Precision performance and great looks at a price that will kill the competition.Features: 97 GPH 3/8" NPT inlet and ...

J2B ConnectorFour Additional Injector Driver OutputsFour Additional Coil Driver Outputs23 User Programmable OutputsSpecs: Brand: Holley EFI Category: Ignition Emission Code: 3 Harness Type: Auxiliary Part Type: Ignition Harness Product Type:...

The legendary Mini Maxx V1 tuner is back—better than ever. Originally the tuner that revolutionized diesel performance, this updated version delivers advanced tuning capabilities, a high-resolution screen for easy navigation, and shift-on-the-fly...

This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower. Fuel pressure is internally regulated to 58 psi elimina...

Designed to eliminate jittery tach signals when using points/tach pin B5 to provide RPM to the 7" Standalone Digital DashSpecs: Brand: Holley EFI Category: EFI - Fuel Injection Emission Code: 5 Grade Type: Performance Mounting Hardware Includ...

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors....