10" Streetfighter Torque Converter 1970-79 Ford C4
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TCIPART NUMBER: 890-451900

10" Streetfighter Torque Converter 1970-79 Ford C4

$69995
ShippingShips on 09/09/2026
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Ford
10" Streetfighter Torque Converter
  • 1970-79 Ford C4
  • 11.4" Bolt Circle
  • Non Lock-up
  • 26-Spline

    Dipstick goes into transmission pan.

    Each Streetfighter torque converter is pressurized and subjected to a leak test to confirm the integrity of all weld seams. Units are then computer balanced to reduce annoying and potentially damaging drivetrain vibrations.

    Features:

    • Furnace-Brazed Fins
    • Needle Bearings
    • Hardened Pre-Ground Pump Hubs
    • Computer Balanced

    Benefits:

    • Higher RPM launches
    • Quicker reaction times
    • Lower elapsed times
    • Better low and mid-range power

    1500+ RPM increase in stall over stock

    Street/Strip Performance Torque Converter General Application Chart

      Converter SeriesAdvertised
    Camshaft Duration
    Rear
    Gear Ratio
    Engine CharacteristicsExpected RPM Stall Speeds
    Small BlockBig Block
    Street RodderStock to 260°Stock to 3.23Smooth idle, stock compression ratio

    1500 to 1700

    1700 to 1900
    Saturday Night Special

    Stock to 265°

    Stock to 3.23

    Smooth idle, stock compression ratio

    1600 to 1800

    1800 to 2000
    Breakaway

    265° to 280°

    3.00 to 3.73

    Fair idle, mild modifications

    2200 to 2400

    2400 to 2600
    StreetFighter

    280° to 300°

    3.55 to 4.56

    Rough idle, raised comp. ratio, large fuel system

    3000 to 3400

    3400 to 3600
    Super StreetFighter

    280° to 310°

    3.73 to 4.88

    Rough idle, raised comp. ratio, large fuel system, top end power

    3500 to 3800

    3800 to 4000
    Ultimate StreetFighter 290°+ 3.73+1000+ HP with power adders 3500+3800+
  • Part TypeAutomatic Transmission Torque Converter
    BrandTCI
    Package Height7.4
    Package Width13.1
    Package Length14.1
    Weight29.54 PG
    Part CategoryPerformance Parts
    Anti-Ballooning PlateNo
    Hardware IncludedYes
    Crank Pilot Diameter1.375 in (34.925 mm)
    Input Spline Quantity26 in (660.4 mm)
    BalancedYes
    Furnace-BrazedYes
    QuantitySold individually
    Part FitmentSemi Universal
    LockupNo
    Diameter10 in (254 mm)
    Vendor Part Number451900
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Blue Medium Strength Threadlocker 6ml Tube

    PERMATEX

    Blue Medium Strength Threadlocker 6ml Tube

    Part Number : 775-24200
    $499
    Quick Shift Automatic Transmission Fluid [1-gallon]

    JEGS

    Quick Shift Automatic Transmission Fluid [1-gallon]

    Part Number : 555-28071
    $4499$51.99
    You Save$7.00
    Quick Shift Automatic Transmission Fluid [1-quart]

    JEGS

    Quick Shift Automatic Transmission Fluid [1-quart]

    Part Number : 555-28070
    $1099$12.99
    You Save$2.00

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