Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 10021-XXL |
Videos
HOLLEY SNIPER EFI install on the Black Widow!!!
Holley Sniper EFI Quick and Easy Improvement
Holley Sniper EFI First Drive and Impressions
HOLLEY SNIPER EFI - Installing an Electric Fan and a Fuel Pressure Gauge!!
How to fix RPM Noise (EMI) on your Fuel Injected converted engine. FiTech/Sniper/Holley
We Install HOLLEY TERMINATOR X On a TURBO 363 Stroker Fox Body Mustang
Holley Brawler Carburetor Installation How-To and Basic Tuning
Holley Hi-Ram Intake Manifold How To For RAM Trucks
The Rare And Elusive Holley Three Barrell
How to Install Holley Sniper EFI | EFI First Start | Set the Idle Air Control (IAC) | Idle Tuning
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy