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Garrett GTX4508R Forged Billet Turbo - 1250 HP

Starting at: $2,646.00

Please Choose:

Polished Comp Housing Upgrade?


Exhaust / Turbine Housing Type

T4 Divided w/ 4" V-band Exit

TiAL V-Band Stainless Steel

Without Turbine Housing (you already have one)

Add to Cart:

  • Model: 800270- 1 , 451888-45
  • Manufactured by: Garrett

We will beat any current advertised price on this turbo. Have a question or need help? Not sure about what housing or A/R you need? Email us through our "Contact Us" page & we will be happy to help.

Garrett GTX4508R Billet Turbo charger. Available without turbine housing or with a T4, T6 or Tial SS housing. Select options from menu.

Insane performance!! The all new Garrett GTX-R series billet turbos are here. This turbo is capable of 1250 HP. Brand new & authentic Garrett GTX4508R dual ball bearing turbo with with forged & machined billet aluminum compressor wheel. 11 Full-Blade design produces a huge 10% flow gain & 10% higher pressure ratio over traditional GT compressor wheels. Improved efficiency, durability & quite operation. These are the very 1st wheels of it's kind & pushes turbo technology & aerodynamics to a whole new level. If big drag racing HP is what you're after, the GTX4508R large frame, billet wheel turbos are here to get the job done.

Your pick of without turbine housing, or 1.01 / 1.15 / 1.28 or 1.44 A/R T4 divided exhaust housing with 4.00" V-BAND exit or a Tial stainless steel v-band housing (1.00A/R only). Comes with a huge anti-surge compressor housing with 6.00" inlet and 3.50" slip-on outlet.

Note: The polished housing option shows a GT3076R housing in the picture. The housing you will receive with this option is the GT45R housing, only polished.

-Wheel: 79.8mm Ind, 108.0mm Exd w/ 56 trim
-Housing A/R: .69 A/R
-Style: Ported Compressor Hosuing w/ 6.00" Inlet & 3.50" slip-on Outlet

Turbine / Exhaust:
-Wheel: 87mm w/ 85 trim
-Housing A/R: Your Pick of 1.01 / 1.15 / 1.28 / 1.44
-Housing Styles: T4 Inlet w/ 4" V-band exit, Or Tial Stianless Steel Housing. (1.00 A/R)

Center Section:
-Dual Stainless Steel Ball Bearings
-Oil & Water Cooled

Note:: Part numbers change based on the different options & housing you select for this item, they are: 800270-1, 451888-45, 757707-5, 757707-6, 757707-7, 757707-8 ALL of our Garrett GT turbochargers come Fully Balanced from the factory & have the Manufacturers Warranty.

The Garrett GT series line up is much more efficient then the old "T" technology & provides spool-up 1000's of RPMs quicker. The GT series turbos are stronger, more reliable, have less shaft movement, better flow dynamics, less lag....the list goes on. Simply put, GT blows T away!!

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