CT4 Turbocharger

Comp Turbo CT4 Series Front View  Comp Turbo CT4 Series Back View

CT4 Series

Displacement for 1.5 to 6.0 Liter Engines

Entry Level Series
  • TRIPLEX CERAMIC™ ball bearings or floating sleeve bearings
  • Available with anti-surge compressor housing
  • Interchangeable with 60-1 models
  • Available with internal or external wastegates
  • Lightweight high efficiency 10 bladed turbine wheel
  • Available with water-cooled bearing housing
  • Offered with dynamic or carbon seal

Available models

CT4 Billet Series Turbo

Horsepower rating 600-975
X-HF Billet wheel technology
Z-HF Turbine wheel technology
Available in oil-less (Triplex Ceramic™ only),
oil only, or oil with water cooled

CT4 Standard Series Turbo

Horsepower rating 450-775 5
Z-HF Turbine wheel technology
Oil only or oil with water cooled options


Don't see a turbo your size ask for a custom size

Ball Bearing Options

    Bearing Seal Options
  • Dynamic seal
  • Carbon seal

Standard Bearing Options

    Bearing Seal Options
  • Dynamic seal
    • With water
    • Oil only
  • Carbon Seal
    • With Water

Bearing Housing Sizes

Oil Inlet Feed - 1/8 27 NPT
Water Ports - 3/8 18 NPT
Oil Drain Flange Thread - 3/8-16

Turbine Housing Options

.36 T3 gate port 5 bolt (internal gate optional)
.36 T3 non port 4 bolt 2.5"
.48 T3 non port 4 bolt 2.5"
.48 T3 gate port 5 bolt (internal gate optional)
.63 T3 non port 4 bolt 2.5"
.82 T3 4 bolt divided
.82 T3 3" V band
2.5" V band outlet on NP housing (optional)
3" V band outlet on NP housing (optional)
.58 T4 divided 3" or 3.5" V band
.68 T4 undivided 3" or 3.5 V band
.70 T4 divided 3" or 3.5" V band
.81 T4 undivided 3" or 3.5" V band
.96 T4 undivided 3" or 3.5" V band
.63 Ni-Resist v-band inlet/outlet
.82 Ni-Resist v-band inlet/outlet
.63 Tial SS v-band inlet/outlet
.82 Tial SS v-band inlet/outlet
1.06 Tial SS v-band inlet/outlet

Turbine options

Inlet Outlet Thread
T3 4 Bolt 8 x 1.25 mm
T3 5 Bolt 8 x 1.25 mm
T4 3" V-band  

Compressor Size

Inlet - 4"
Outlet - 2.5"
A/R - .70


Contact Sales for More information either by
Phone: 909-599-5757 or Email at
comp turbo sales email