Sniper, Sniper 2, and Terminator X Components

Sniper, Sniper 2, and Terminator X Components

We originally created this page to list upgrade and replacement components for the popular Sniper EFI systems. However, when Terminator X arrived, it turns out that they share many of the same components--particularly on the Terminator X Stealth throttle bodies. And now we are excited to offer components and accessories for the new Holley Sniper 2.  Don't see it here? Not clear if it fits your EFI system? Use the fly-out at right to get support or visit our Contact Us page!

Are you looking for service components for the original Terminator EFI System (the one that pre-dated Terminator X)? You can find those here.

Note:  References to "Sniper" without a numeral should be assumed to reference the original Sniper.

System Enhancements

Replacement Sensors and IAC Motor

Replacement Wiring Harnesses and Wiring Tools

Hardware and Gaskets

Gauges and Displays

Fuel System

Fuel Injectors

Ignition Components

Apparel

Transmission Control

Upgrade Kits and Adapter Harnesses

Replacement Terminator X ECUs and Upgrades

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Sniper EFI Air Cleaner Drop Base

Not all air cleaner drop-bases are created equally.  Some simply do not have room to accommodat..

$49.74 $44.77

In-Tank Retrofit Fuel Module Installation Kit

If you purchased one of Holley's In-Tank Retrofit Fuel Tank Modules or the Holley Sniper EFI Die-Cas..

$78.89 $71.00

Sniper EFI 2x4 Linkage Kit

If you are installing the Sniper 4150 2x4 EFI System as a replacement to existing carburetors you ma..

$75.11 $67.60

Sniper EFI System Replacement SD Card

Update:  We are now offering SD cards for both the Sniper and Sniper 2 EFI System.  The ca..

$28.85 $25.97

Air Cleaner Stud Kit, 5-3/4 Inch Long

Did you figure out that Holley no longer includes an air cleaner stud in their Sniper or Terminator ..

$9.95 $9.17

Connector Harness, Sniper EFI to Holley Dual-Sync Distributor

If you are using a Holley Dual-Sync Distributor with your Sniper EFI System this adapter harness mak..

$45.50 $40.95

Connector Harness, Terminator EFI to Holley HyperSpark Distributor V2

The new Holley HyperSpark was designed to work with the Sniper EFI System with no adapter.  But..

$32.73 $35.82

Hyperspark Plug and Play Main Harness

Looking to wire your Holley Sniper and Holley Hyperspark ignition system? With only four flying lead..

$167.00 $268.95

Rotor Phasing Kit for Sniper Ignition Control

ECU-controlled ignition timing control is far superior to standard mechanical and vacuum-based ignit..

$62.58 $56.32

Sniper/Terminator X Replacement Fuel Injector

Direct-Fit Replacement Fuel Injectors for Sniper and Terminator X StealthHave one of the fuel inje..

$62.58 $56.32

Sniper/Terminator X Fuel Injector Upgrade Set

Fuel Injector Upgrade for Sniper and Terminator X StealthSo you did your homework, bought your Sni..

$79.67 $71.70

Holley EFI Replacement Regulator Element

Need a replacement regulator for your Holley Sniper EFI System or Holley EFI Universal Filter Regula..

$28.69 $25.82

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