Sniper 550-877 - Holley EFI Super Stealth 1250 - Black

Write a Review
$2,362.95
$2,099.95
(You save $263.00 )
SKU: SNIP-550-877
UPC: 090127077979
Stock: 0
Vendor: Premier - CSR
SpecialOrder: True
CarbRejected: False
CouponIsOn: False
StockEta: N/A
ProfitMargin: 8.900
CostOfItem: 1899.95
ItemPopularity: 0
MapPrice: 2099.95
RetailPrice: 2362.95
EbayAllowed: False
WarehouseStock: 0
ShippingGroups: ["Flatrate_Premier"]
EbayPrice: 2049.95
ShipperHq: {"shipping-groups":["Premier","FreeShipping","Flatrate_Premier"],"shipping-origins":[],"shipping-dimensional-rules":[]}
IsReturnable: True
EbayPriority: 0

Out of stock

  • screenshot-2024-06-06-013938.png
Sniper 550-877 - Holley  EFI Super  Stealth 1250 - Black

Sniper 550-877 - Holley EFI Super Stealth 1250 - Black

$2,362.95
$2,099.95
(You save $263.00 )

Sniper - 550-877

Holley Sniper EFI Super Sniper Stealth 1250 - Black

Supports Up To 1250HP Boosted - 3.5 in. Handheld Monitor - Carburetor Styling

Sniper EFI is part of a complete ecosystem! Your new Sniper kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body & Digital Dash to unlock the full potential of your build. Complete your fuel injection journey by checking out our full offer of ignition, fueling and accessories!

  • Bolt on 4150 Flange Carburetor Replacement
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 1250hp with Eight 100 Lb/Hr Injectors!
  • All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
  • Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
  • Programmable inputs and outputs
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
  • Six Programmable Ground Outputs
  • One +5v Reference Output - +5V Power Supply for 0-5v Sensors
  • One Sensor Ground – Ground supply for 0-5v Sensors
  • Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
  • Integrated ignition timing control
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
  • OEM Style TPS/IAC, for years of dependable service.
  • Available in 3 finishes: Shiny, Black and coming soon, Gold
  • 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

Accelerometer Support: No
Boost Control: No
Brand: Holley Sniper EFI
CAN-BUS Support: No
Category: Air and Fuel Delivery
CFM: 870
Coil Per Cylinder Ignition Support: No
Datalogging Support: Yes
Distributor Included: No
Dry Nitrous Control: Yes
e85 Support: No
EGT Support: No
Emission Code: 3
Finish: Black
Flange Style: 4150
Forced Induction Support: Yes
Fuel Filter Included: No
Fuel Hose Included: No
Fuel Injectors Included: Yes
Fuel Pressure: 58.5 PSI
Fuel Pressure Regulator Included: No
Fuel Pump Included: No
Grade Type: Performance
Height: 3.28"
Ignition Timing Control: Yes
Individual Cylinder Fuel Corrections: No
Injector Size: 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size: 3/4-16 Female O-Ring (AN 8)
Intake Manifold Included: No
Knock Retard Support: No
MAP Sensor: 2 Bar
Max Horsepower Rating: 650 Naturally Aspirated
Max Horsepower Rating: 1250 Forced Induction
Model: 4150 EFI Conversion Throttle Body
Multi-Stage Nitrous Control: Yes
part type: Fuel Injection Conversion Kit
Product Type: Super Sniper Stealth 4150 - 1250 HP
Progressive Nitrous Control: Yes
Self-Tuning: Yes
Sub Category: Service Kits
Throttle Position Sensor Included: Yes
Traction Control Support: No
Transmission: 700R4/200R4, Ford C4/C6, TH350
User-Tuneable: Yes
Warning: California Proposition 65
Wet Nitrous Control: Yes

Customers Also Viewed