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!! BLACK FRIDAY !! XAT 1UZ FULLY BUILT Engine! Heads and Short block ASSEMBLED 800+ HP Long Block 2UZ 3UZ
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!! BLACK FRIDAY !! XAT 1UZ FULLY BUILT Engine! Heads and Short block ASSEMBLED 800+ HP Long Block 2UZ 3UZ


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XAT has been building Toyota/Lexus UZ V8s and developing new parts for almost 2 decades for customers worldwide. We pride ourselves with taking the time to correctly assemble and rebuild every engine, knowing them inside and out. We also are excited to build more and more of these for boost, as we feel a manual transmission and a turbo or supercharger are what these engines really respond best to.

Every engine gets hand built to order. Not everyone has the same goals or budget in mind, so we have built everything from mild to wild, including an all out 6.8 liter bored and stroked version!

You will need to send us your engine, or we can supply a core

Our "base" engine build handles 800 HP reliably, but we do have a variety of options that you should also consider. If you're not sure if you want them, keep in mind that it's much easier to spend a few extra bucks while we have it and it's apart, than it is to go back in later and add these parts!

Base build includes fully assembled engine, ready to drop in:

  • Eagle ESP rods
  • JE or CP pistons for high compression N/A or low compression boost
  • All new timing parts (belt, tensioner, billet tensioner bracket, pulley, water pump)
  • ACL rod/main bearings, OEM thrust washer
  • Block honing with torque plate
  • Hot tanked engine
  • XAT modified high performance oil pump
  • Ported intake/exhaust ports
  • Valve job
  • ARP head studs
  • ARP main studs
  • Heads bolted to block, timing set
  • Valve lash set with shims
  • New valve stem seals

Every engine shipping from us also gets crated in ISPM 15 certified wood crates for international shipment. Your investment needs to be protected, and this is included in the build price

Shipping is not included, you will need to reach out to us with your location and we can get shipping quotes to your address!

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  • Weight
    440 lbs
  • SKU
    XAT-UZ-Fullbuild
  • Cams
    Factory reused, XAT Supercharged Cams, XAT Race / N/A Cams
  • Valve Spring and Retainer Kit
    No, stock hardware, Yes, BC (1UZ non-VVTi), Yes, SuperTech (all 98+ UZ)
  • Valves
    Reuse OEM, Custom Stainless Valves, Custom Stainless +1mm Valves
  • Dry-Moly Skirt Coating
    Yes (recommended), No
  • Ceramic Coated Piston Top
    No, Yes
  • Core Charge
    No, sending my engine to be built, Yes, find a full UZ long block for me
  • Piston Gas Ports (race only)
    No, Yes
  • Compression Ratio
    9.5:1 (ideal for low boost pump gas), 9.0:1 (ideal for high boost pump gas), 10.0:1 (ideal for E85 and boost), 10.5:1 (ideal for E85 and boost), 11.0:1, 11.5:1 (ideal for high HP N/A), 12.0:1
  • Inbound Shipping of your block to us
    Yes, I'm in the 48 states, No, I will arrange shipping to you
  • Engine
    1UZ non-VVTi, 1UZ VVTi, 2UZ, 3UZ
  • Rods
    Standard Eagle Rods, Eagle Rods, ARP2000 bolts, BC ARP2000 Rods, Carrillo Rods

Most product ships from either the manufacture or largest wholesale location to pass the saving to you. Most orders will ship via UPS, as we will be able to provide the best rates and have had the least issues when using UPS.


IF YOU DO NOT LIKE THE AUTOMATED SHIPPING CALCULATOR'S RATES, PLEASE CONTACT US AND WE CAN GET YOU A BETTER ONE! Especially for anyone outside the USA, please contact us with a list of parts you'd like to order, and where you are located.

We accept the following payment methods:

Also Venmo and unmarked nonsequential dollar bills

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