SKU: 95119356079

Holley Sniper 550-858K Master EFI 1971-86 Jeep CJ 258 6 cylinder Fuel Injection

Sale price$809.98 Regular price$899.98
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Holley Sniper 550-858K Master EFI 1971-86 Jeep CJ 258 6 cylinder Fuel InjectionOverview: 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

Overview:

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!

Features:

  • Bolt on BBD Carburetor Replacement
  • Engineered specifically for 1971-1986 Jeep CJ's with 258ci 6 Cylinder Engines
  • Throttle body mounted ECU - no extra boxes to mount
  • Supports up to 350HP with Two 100lb/hr Injectors
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • Includes complete fuel system consisting of; 20ft of 3/8" Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange

 

Application:

Year Make Model Submodel Engine Size
1979 - 1986 Jeep CJ7 258/4.2L L6
1981 - 1985 Jeep Scrambler 258/4.2L L6
1979 - 1983 Jeep CJ5 258/4.2L L6

 

Specs:

Brand Holley Sniper EFI
Emission Code 3
Finish Shiny
Fuel Pressure 58.5 PSI
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
Product Type BBD EFI
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95119356079

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 1667 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Arlo
Boise, US
★★★★★ 5
Top quality filters at a good price.
Style: 20x30x1
These filters are good quality. They are reinforced and hold their shape. They fit perfectly in my filter holder. The thing I like is that the filters were bundled together and shipped in a sturdy box. Other filters I have ordered showed up in a flimsy box and were damaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
L
Verified Purchase
La Quinta
Boise, US
★★★★★ 5
Excellent to have on hand
Style: 16x25x1
Excellent, time-saving purchase. Sturdy, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
T
Verified Purchase
Texas Legend
Port Orchard, US
★★★★★ 4
Great Fit and Noticeable Air Quality Improvement
Style: 12x24x1
I purchased the Filterbuy 12x24x1 MERV 8 air filters and have been very happy with them so far. They fit perfectly in my HVAC system without any gaps or issues during installation. After replacing my old filters, I noticed the air in my home feels cleaner and there seems to be less dust settling around the house. They do a good job of capturing everyday particles and allergens while still allowing good airflow. Overall, this is a reliable and cost-effective 4-pack of filters. Solid quality, easy to install, and a noticeable improvement in air freshness. I’ll definitely be ordering again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
L
Verified Purchase
Lorraine M.
Louisville, US
★★★★★ 5
Reliable furnace filters at a good price point!
Style: 16x18x1
Great filters. Hard to find sizes. Sturdy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Christopher
Alexandria, US
★★★★★ 5
Amazon very professional and reliable
Style: 14x30x1
I was very pleased with the Filterbuy 14 30 1 and it fit great and very pleased with Amazon .They are very professional
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

recommand products