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Holley 550-511D Sniper EFI Self-Tuning Master Kit

Name: Holley 550-511D Sniper EFI Self-Tuning Master Kit
Brand: Holley
Price: 2887.99 CAD
Availability: InStock

by Holley

• SKU: ds_BBVL_550-511D

• Product Type: Fuel Injection Conversion Kit

2 sold in last 8 days

$2,887.99

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Holley 550-511D Sniper EFI Self-Tuning Master Kit

Rock Solid Hitch

Solid hitch with serious strength and clean powder coat, heavy to lift, but installs easy and tows perfectly!!

Great Shipping

Shipping was quick and on time - exactly what I needed for my small-block build - would buy again for sure

Perfect Fit Mats

Weatherbeater mats fit my work truck perfectly. Dropped them in and nothing moves. Truly a great upgrade

Sleek Visors

Window visors look incredible and feel durable, install was simple. Zero wind noise on the highway!

Leveling Success

Leveling kit components were well packed. Instructions lacking, but online videos helped. Rides level now and feels planted.

Found Single Lifters

Found single lifter pairs in stock here when others required full sets, fast shipping got me racing again, hell yeah!!

Desert Series Bumper

Rear bumper upgrade looks better than factory plastic. Install was easy, and functionality is miles ahead. Highly recommended.

Lomax Fitment

Tonneau cover fit is excellent. Clear instructions and a smooth install. Delivery to my door was super convenient

Next Day Turbo

Turbo arrived next morning and matched description. Bolted up cleanly and truck is back to full power.

Legend Grille Guard

Husband’s birthday grille guard is rock solid, looks sharp he loves it so much!!! Thanks again

Shipping Protection Helped

Customer service handled a damaged shipment immediately. Refund was painless. I’ll shop here again.

Easy Exhaust Install

Exhaust system installed in two hours on my first try. Perfect fit and the sound is pure joy.

Do you offer wholesale or jobber pricing?

Yes. Wholesale pricing is available for legitimate businesses that provide a valid business number or equivalent proof. Ongoing purchase volume is required to maintain discount eligibility. One-time personal buyers aren’t eligible.

Will this part fit my vehicle?

If a product page clearly lists fitment for your vehicle and the description leaves no reasonable doubt, we’ll cover the cost of return if it doesn’t fit. Exclusions apply if prior modifications cause the issue. When browsing self-serve, you’re responsible for confirming compatibility by checking manufacturer fitment data and notes. If unsure, contact us before ordering and we’ll verify it for you.

Do you offer technical support or installation advice?

We help where possible on a case-by-case basis. Most manufacturers include detailed instructions and tech support contacts. Because our catalog spans hundreds of brands, we can’t provide every torque spec or procedure, but we’ll connect you with the manufacturer if needed.

Do you offer price matching?

We don’t guarantee price matching, but we’re happy to review a legitimate in-stock offer from another Canadian retailer. The comparison must include all costs such as product price, shipping, taxes, and fees, and the item must be identical and available for immediate purchase. We won’t lose money to match unsustainable or out-of-stock pricing.

Can I exchange an item?

Yes. In-store exchanges happen on the spot when stock is available. For shipped orders, the original item must be returned first. Once received and inspected, we can issue a store credit toward the correct part or replacement. We can’t send a second item while the first is still in your possession without payment for both.

Are prices shown before or after tax?

All prices on the site are before tax. GST, HST, or PST is calculated at checkout based on your shipping address..

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Description_DEF	Fuel Injection Conversion Kit
Description_DES	Sniper EFI Self-Tuning Master Kit
Description_EXT	Sniper EFI Self-Tuning Master Kit; 4150 Flange Carb Replacement/Handheld Monitor/EFI Hose/Fuel Pump/Post And Pre Fuel Filters/Return Bulkhead/Fittings/Hardware; Black Finish;
Description_INV	SNIPER TBI TANK HANGER MASTER KIT, BLACK
Description_FAB	Throttle Body Mounted ECU
Description_FAB	Supports Up To 650HP w/Four 100 lb/hr. Injectors
Description_FAB	4 Wire Vehicle Connection Battery +/Battery -/Switch Ignition/RPM
Description_FAB	Calibration Wizard - No Laptop Required
Description_FAB	Self-Tuning ECU Means You Dont Have To Be A Computer/Tuning Wiz
Description_FAB	No External Fuel Return Line Required
Description_FAB	Incl. Retrofit Returnless Fuel Module/20ft. Vapor Guard Fuel Hose
Description_FAB	Incl. 5 Hose Clamps/Post Filter/Earls Fittings and Caps
Description_FAB	Bosch LSU 4.9 Wideband O2 Sensor Provides Realtime Fuel Map Learn
Description_MKT	Are you waiting to convert your carbureted vehicle to Sniper EFI, but dont like the idea of mounting an external fuel pump? Look no further. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. This combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earls Vapor Guard Fuel Hose, and the required fittings. The included fuel system places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The Drop-in Master kits make plumbing your Sniper EFI installation as hassle-free as possible, simply cap the regulator on the Sniper EFI throttle body with the provided -6an cap, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, and the job is finished.
Description_SHO	FuelInjConversionKit
Pressure	58.5 PSI
Transmission Model	700R4/200R4
Flange Type	Dual Bolt Pattern
CFM	800
WARNING CA Proposition 65	Yes
Finish	Black
MAP Sensor	2 Bar
Injector Size	100 lb/hr @ 58.5 PSI
Maximum Horsepower	650
WARNING CA Proposition 65 Message	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Length	10.0000
Width	15.0000
Height	26.0000
Weight	20.0000