Best Fuel Injection Reference Mark Sensors in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Trends Auto | 9.83 | ❌ | ❌ | ❌ |
Brand New Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish, 4 Barrel Fuel Injection Conversion - Self Tuning Kit plus Handheld EFI Monitor. (Part #550-511)
Holley just brought EFI within range! Introducing Sniper EFI! It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!
Specs: CFM: 800 | Coast Guard Approved: Yes | Finish: Black | Flange Style: Dual Bolt Pattern | Fuel Pressure: 58.5 PSI | Height: 3.28" | Injector Size: 100 lb./hr @58.5 PSI
Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) | MAP Sensor: 2Bar | Max Horsepower Rating: 650 Naturally Aspirated | Model: 4150 EFI Conversion Throttle Body | Product Type: EFI | Transmission: 700R4/200R4
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Trends Auto | 9.83 | ❌ | ❌ | ❌ |
Brand New Holley Sniper EFI BBD Master Kit, Shiny Finish, Holley Sniper 2 Barrel Fuel Injection Conversion (Part #550-858K)
Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding.
Upgrade to Sniper EFI and get the tactical accuracy of EFI today! This master kit includes 20" of fuel hose, two filters, one high pressure EFI fuel pump, and all of the required fittings for a complete EFI fuel system conversion!
Fits: 1971-1986 Jeep CJ’s with 258ci 6 Cylinder Engines
Specs: Emission Code: 3 | Finish: Shiny | Fuel Pressure: 58.5 PSI | Injector Size: 100 lbs./Hr at 58.5 PSI | Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) | Product Type: Sniper EFI BBD
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Southwest Speed ✅ | 9.63 | ❌ | ❌ | ❌ |
Brand New Holley Sniper EFI BBD Kit, Shiny Finish, Holley Sniper 2 Barrel Fuel Injection Conversion (Part #550-858)
Are you tired of struggling with the old BBD carburetor on your Jeep? Does your off road rig leave you hanging at extreme angles while on the trail? The EFI team at Holley has designed the perfect solution for your problems. The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser.
Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!
Fits: 1971-1986 Jeep CJ’s with 258ci 6 Cylinder Engines
Specs: Emission Code: 3 | Finish: Shiny | Fuel Pressure: 58.5 PSI | Injector Size: 100 lbs./Hr at 58.5 PSI | Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) | Product Type: Sniper EFI BBD
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Trends Auto | 9.83 | ❌ | ❌ | ❌ |
Brand New Holley Sniper EFI Self-Tuning Master Kit, Gold Ceramic Finish Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit plus Handheld EFI Monitor (Part #550-516K)
Holley just brought EFI within range, introducing Sniper EFI master kits! It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. The Sniper EFI master kit contains the most complete EFI fuel system on the market.
Everything is included to completely plumb your fuel system including; 20 feet of 3/8" EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today!
Specs: CFM: 800 | Emission Code: 3 | Finish: Gold | Flange Style: Dual Bolt Pattern | Fuel Pressure: 58.5 PSI | Height: 3.28" Injector Size: 100 lb./hr @58.5 PSI
Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) | MAP Sensor: 2Bar | Max Horsepower Rating: 650 Naturally Aspirated | Product Type: Sniper 4BBL TBI Kits | Transmission: 700R4/200R4-TH350
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ✅ Dune Buggy Warehouse | 9.83 | ❌ | ❌ | ❌ |
Injector Size: 100 lb/hr @ 58.5 PSI | Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) | MAP Sensor: 2 Bar | Max Horsepower Rating: 350 Naturally Aspirated | Product Type: Sniper 2 BBL EFI Kits | Transmission: 700R4/200R4, F. C4/C6, TH350
NOTE: United States Coast Guard Approved Certified to ISO 8846, SAE J1171 Requirements | F. transmissions may require Part Number 20-60 F. Transmission Kickdown Spring & Bracket kit | A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Southwest Speed | 5 |
| Fi-Tech | 1 |
We've carried out a comprehensive analysis of 72 reviews on fuel injection reference mark sensors, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select fuel injection reference mark sensors priced around $1,343.60, with top brands including bosch automotive, southwest speed, holley, cartech, fi-tech, howyaa, autool and hisport and fitech fuel injection
Our team of expert editors reviewed these high-quality items and handpicked the top 6 fuel injection reference mark sensors for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include amazon.com, gear245, trends auto, competition sales inc, ✅ dune buggy warehouse, howyaa, southwest speed ✅ and autool and hisport motor .
We are dedicated to assisting our users in finding the right kits Products based on their needs, saving them considerable time when choosing which fuel injection reference mark sensors to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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