Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![Sniper EFI BBD Self-Tuning System for Jeep CJ 258 [Shiny]](https://www.jegs.com/images/mini_750/500/510/510-550-858.jpg)
Vehicle Info NeededHOLLEYPART NUMBER: 510-550-858
Sniper EFI BBD Self-Tuning System for Jeep CJ 258 [Shiny]
$1,23195$1449.95You Save$218.00
3 left in stock
Ships Today
Lowest Price GuaranteeBase Kits
Sniper EFI BBD Self-Tuning System1971-1986 Jeep CJ 258ci 6-Cylinder Up to 350 HP with Two 100 lb/hr Injectors Throttle-Body-Mounted ECU, 4 Wiring Connections Bosch LSU 4.9 Wideband, 3.5 in. Handheld Regulator Preset to 58.5 PSI
The Sniper EFI BBD replaces the factory BBD carburetor on the 258ci inline-six Jeep CJ with modern self-tuning fuel injection, ending cold-start issues, hesitation, vapor lock, and flooding while adding timing control.
Holley 550-858 Highlights:
- Engineered for 1971-1986 Jeep CJ with the 258ci 6-cylinder engine.
- Supports up to 350 HP using two 100 lb/hr injectors.
- Throttle-body-mounted ECU needs only four wiring connections.
- Includes a Bosch LSU 4.9 wideband oxygen sensor for real-time fuel learn.
- Self-tunes through a 3.5 in. handheld with a guided calibration wizard.
- Internal fuel pressure regulator preset to 58.5 PSI.
Part TypeFuel Injection System
BrandHOLLEY
Package Height9.3
Package Width12.6
Package Length14.6
Weight9.2 PG
Part CategoryPerformance Parts
Part FitmentDirect Fit
Vendor Part Number550-858
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
EASY KITS
Some parts are not legal for use in California or other states with similar laws / regulations
