Sniper and Terminator X Components

Sniper 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. Don't see it here? Not clear if it fits both? Use the fly-out at right to get support or visit our Contact Us page!

System Enhancements

Replacement Sensors and IAC Motor

Replacement Wiring Harnesses and Wiring Tools

Hardware and Gaskets

Gauges and Displays

Fuel System Kits

Ignition Components


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CAN Bus Y-Cable for Sniper and Terminator X

Wouldn't it be nice to be able to leave the handheld controller connected on your Holley Sniper or T..

$38.83 $34.95

CAN-To-USB Dongle

Did you know that you can unlock even more tuning capability in your Holley Sniper EFI System?  ..

$72.97 $65.67

Holley EFI by EFI System Pro T-Shirt

Brag about your Holley EFI System and show your support for EFI System Pro at the same time with thi..

$11.06 $9.95

Sniper Progressive Linkage Kit (Fixed or Adjustable)

It is almost without fail that Sniper EFI System owners experience a huge boost in performance from ..

$17.71 $15.94

Sniper Spare Wire Removal Kit

When you install your Sniper EFI System you are undoubtedly going to have a handful of those long, u..

$21.62 $19.46

Square Bore 4150/4160 Throttle Body to Spread Bore Manifold Adapter

Seamlessly adapt between any spread bore manifold and square bore carburetor. Or the reverse. &nbs..

$28.41 $25.57

100 PSI Fuel Pressure Gauge

Electronic sensors are wonderful amazing things. But when your engine won't crank and you need to k..

$45.08 $40.57

Earl's O2 Sensor Weld-In Bung

Ok, so those clamp-on style O2 sensor bungs are cool if you are doing a quick installation and don't..

$8.68 $7.81

FAST EZ-EFI Throttle Cable Mount Kit

This throttle cable mount kit is manufactured by F.A.S.T. for their EZ-EFI systems.  In our (so..

$84.39 $75.95

Holley EFI Carb Hat

These carburetor hats from Holley fill a desperately-needed void for a well-designed, cost-effective..

$206.00 $184.95

Idle Air Control Motor

Choose from Standard Brand or Holley.Replacement Idle Air Control Motor for the following throttle b..

$61.05 $59.95

Coolant Temperature Sensor, Sniper TBI

Blown coolant temperature sensor in your Sniper? No worries--here's a replacement! Installs with e..

$22.21 $19.99

Crossover Hose Kit for Stealth Throttle Body (Braided)

Note:  Works with both the Sniper Stealth and Terminator X Stealth throttle bodies.Need a dua..

$103.00 $92.56

Crossover Hose Kit w/Regulator for Stealth Throttle Body (Braided)

Note:  Works with both the Sniper Stealth and Terminator X Stealth throttle bodies.Need a dua..

$258.00 $231.95

Mr. Gasket 1/4-inch 4-Hole Carburetor Gasket

Several customers  have mentioned that their Holley Sniper EFI System makes strange whistling o..

$17.37 $15.63