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Holley Sniper 650HP EFI Kit with Black Ceramic Finish

Part #:
40-384357-1
Replacement for OEM #: 550-510
Availability: Available - Allow extra time for delivery
Fitment: 1958 thru 1985
See applications below for exact details.
(No Discount / Limited Discount)

Holley Sniper 650HP EFI Kit with Black Ceramic Finish
$999.99 Kit
˄ ˅

Details

KEY FEATURES & BENEFITS:
  • Replaces Your Single V8 4-Barrel Carburetor With Precise Fuel Injection Technology
  • Works With Factory Or Aftermarket Single V8 4-Barrel Intake Manifolds & Air Cleaner Assemblies
  • Eliminates Hard Starting, Sputtering, Cold Start Warmups,  Flooding, Hesitations, Vapor Lock, & Interior Fuel Smell 
  • Instant Starting & Throttle Response  (Even After Long Term Storage), Improves Mileage, Superior All-Climate Drivability
  • Throttle Body Mounted ECU - No Extra Boxes To Mount
  • 4-Wire Vehicle Connection (Battery +, Bettery -, Switched Ignition, & RPM)
  • Self Tuning ECU Means You Don't Have To Be A Computer/Tuning Wiz To Have EFI
  • Includes Widebad Oxygen Sensor For Real-Time Fuel Map Learn
  • Uses Same Throttle & Transmission Linkage As 4150 Holley Carburetors
  • Integrated Fuel Pressure Regulator, Ignition Timing Control & Coil Driver
  • Black Ceramic Finish Disipates Heat And Looks Tough
  • Notes:  Requires Separate Fuel System Purchase, NOT Included - See Fuel Command Center  25-376727 (All The Benefits Of An In-Tank Fuel Pump Without Modifying Your Fuel Tank!).  Pre-Drilled To Fit Quadrajet Intake Manifolds (Requires Separate Quadrajet Intake Manifold Adapter Plate Purchase - P/N  122276).  Requires At Least 58 PSI and 67 GPH To Properly Function.

SPECIFICATIONS:

  • Quality Level:  High Performance Upgrade
  • Throttle Body Construction:  Die Cast Aluminum
  • Color: Black Ceramic
  • Metering Style:  Speed Density
  • Throttle Body Mounting Flange:  4-Barrel Square Bore
  • Quadrajet Fitment:  Requires Separate Quadrajet Adapter Plate Purchase - P/N 122276
  • Height, Base To Air Cleaner Mounting Surface:  3.75"
  • Venturi Qty:  4
  • CFM Rating:  800
  • Throttle Bore:  1.6875"
  • Injector Quantity:  4
  • Timing Control:  Requires Distributor That Can Lock Out The Timing & Works With MSD 6AL Boxes.
  • Horsepower Range:  250 to 650
  • Supports Forced Induction & Nitrous:    Yes,  Supports Up To 25PSI, 2.5 Bar MAP Sensor Is Built In 
  • Idle Up Feature:  Yes, IAC Sensor Can Adjust For Cars That Have A/C and Larger Aftermarket Cams
  • Self Tuning:  Yes, In Minutes...Just Answer A Few Questions On Touch Screen Display
  • Laptop Tuning:  No.  Color Touchscreen Is Included For Setup & Gauge Views.  Calibration Wizard Self Allows Easy Setting Of Base Map, Then Computer Self-Tunes In Real Time.
  • Fan Control:  Yes 
  • Linkage & Kickdowns:  Accepts Same Linkage & Kickdowns As Used On Most Carburetors
  • Transmission Control Support:  No, Will Not Control Electronically Controlled Transmissions Or Torque Converters
  • Fuel Pump / System Included:  No. 
  • Compatible With FiTech Fuel Command Center P/N 376727:  Yes
  • What's In The Box:  Throttle body, Fuel Rails, Fuel Injectors, ECM With Calibration Module, Handheld Touch Screen Controller, Plug N Play Wiring Harness, Bosch 4.9 Wide Band 02 Sensor, Fuel Pressure Regulator, GM Type 2.5 BAR MAP Sensor, GM Type TPS Sensor, GM Type IAC Motor, GM Type Coolant Temperature Sensor, GM Type Adjustable Control Fan Switch, Gasket Kit, Step By Step Instructions 
  • Where It's Made:  USA
  • Manufacturer Limited Warranty:  90-Day
  • Product Weight:  9 lbs.
  • Product Dimensions:    11" x  8" x  9"
  • Approx. Installation Time:    6-8 Hours, Experienced Mechanic Times Quoted, Yours Will Take Longer
  • Installation Difficulty:    Difficult, Seek Professional Installation
  • 50-State Emission Legal:  No

Make / Model Series Body Notes Year
CHEVROLET BEL AIR STANDARD 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981
CHEVROLET BISCAYNE STANDARD 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972
CHEVROLET BISCAYNE FLEETMASTER 1960
CHEVROLET CAPRICE STANDARD 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985
CHEVROLET CAPRICE ESTATE 1973, 1974
CHEVROLET CAPRICE CLASSIC 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985
CHEVROLET CAPRICE ESTATE WAGON 1975
CHEVROLET CAPRICE CLASSIC SPORT 1975, 1976, 1977, 1978, 1979, 1980
CHEVROLET CAPRICE CLASSIC LANDAU 1976, 1977, 1978, 1979, 1980, 1981
CHEVROLET CAPRICE CLASSIC ESTATE 1976, 1977, 1978, 1979, 1980, 1981, 1982
CHEVROLET CAPRICE LANDAU 1979
CHEVROLET ESTATE STANDARD 1969, 1970
CHEVROLET IMPALA STANDARD 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985
CHEVROLET IMPALA SS 1964, 1965, 1966, 1967
CHEVROLET IMPALA CUSTOM 1975, 1976, 1977
CHEVROLET IMPALA SPORT 1975, 1976, 1977, 1978, 1979, 1980
CHEVROLET IMPALA S 1976
CHEVROLET IMPALA CUSTOM LANDAU 1976
CHEVROLET IMPALA LANDAU 1977, 1978, 1979
CHEVROLET IMPALA ESTATE 1981, 1982
CHEVROLET KINGSWOOD STANDARD 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973
CHEVROLET KINGSWOOD ESTATE 1969, 1970, 1971, 1972
CHEVROLET NOMAD STANDARD 1958, 1959, 1960
CHEVROLET PARKWOOD STANDARD 1959, 1960
CHEVROLET TOWNSMAN STANDARD 1969, 1970, 1971, 1972
CHEVROLET YEOMAN STANDARD 1958

 

Combined Cancer/Birth Defect
Prop 65 Warning

WARNING This product can expose you to chemicals including Cadmium which is known to the State of California to cause cancer on birth defects or other reproductive harm. for more information, visit www.P65Warnings.ca.gov.

 

Hector Test