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XAT 3UR FULLY BUILT Engine! Heads and Short block ASSEMBLED 800+ HP Long Block

XAT 3UR FULLY BUILT Engine! Heads and Short block ASSEMBLED 800+ HP Long Block

Why isn't everyone running a 3UR?! After tearing one down and analyzing the engine top to bottom, we've really come to appreciate the level of engineering that has gone into these engines. It's no wonder they were made for over 15 years! We feel they're extremely underrated, and they also respond especially well to supercharging.

XAT has been building 3URs and developing new parts for years 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 our daily driven Whipple supercharged Tundra has become an entirely different beast with forced induction.

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 you can use one of our supplied cores. We have a few in stock!

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:

  • BC ARP2000 rods
  • Manley pistons, 10.0:1 compression ratio
  • Full OEM new engine gasket kit
  • All new timing parts (chain, guides, tensioners, etc.)
  • 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
  • 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! Ask us about additional "white glove" service options to really make your built engine stand out!

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XAT Racing
  • $10,125
    • SKU
    • Weight
      440 lbs
  • Manufacturer
    XAT Racing
  • Valve Spring and Retainer Kit
    No, stock hardware, Yes, BC, Yes, Manley
  • Valves
    Reuse OEM, 1URFE/3UR standard size, 1URFE/3UR +.5mm size
  • Bronze Valve Guides (XAT exclusive)
    Keep factory ones installed, XAT installed new ones
  • XAT Solid Lifter Conversion
    No, stock hydraulic lifters, Yes, solid lifter conversion with valve lash set
  • Connecting Rods
    BC ARP2000, Manley ARP2000, BC CA625+, Manley CA625+, Aluminum Rods (race only)
  • Pistons
    Manley, CP Carrillo, JE, Diamond
  • 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 3UR long block for me
  • Piston Gas Ports (race only)
    No, Yes
  • Darton Sleeves
    Factory Sleeves, Darton sleeves for up to 100mm bore
  • Compression Ratio
    10.0:1, 9.0:1 (CP/JE only), 11.0:1, 12.5:1
  • Inbound Shipping of your block to us
    Yes, I'm in the 48 states, No, I will arrange shipping to you
  • XAT Billet Main Caps + Line Bore
    Reuse stock main caps, XAT billet main caps + line bore
  • Brian Crower Stroker Kit
    No, factory 5.7 liters, YES! 6.2 liters, YES! 6.8 liters! (includes Darton sleeves)
  • Cams
    Factory reused, XAT 3UR N/A Cams, XAT 3UR Supercharged Cams
  • Oil Filter
    Billet Stainless K&P Oil Filter, K&N HP-7018, None

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

  • Fitment Type
    Vehicle Specific
Toyota/LexusTundra2007-2021 2nd Gen3UR-FE 5.7 V8 3UR-FBE
Toyota/LexusLand Cruiser200 series / Lexus LX570 (2007-2021)3UR-FE 5.7 V8

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