AMS Mitsubishi Lancer Evolution VIII/IX 2.3RR Crate Motor

The AMS EVO VIII-IX 2.3RR Crate Motor is an AMS EXCLUSIVE! This is the ultimate in road racing power plants providing low RPM torque AND top end horsepower all without the hassle of sending in your cores. Our crate engine comes complete from valve cover to oil pan to timing belt and components. This package uses only the best products we sell and comes ready to drop into your EVO. Combine that with the latest in machine and assembly practices and you are assured only the best!

All our engines are hand assembled at AMS using the same care as the engine in our 1142 awhp, world record holding AMS Drag EVO. Every motor is balanced, blueprinted and assembled to AMS’ exacting standards.

Before assembly each block is checked for correct dimensions, cylinder bore, mains, block flatness, etc… to ensure you get the best foundation for your new engine. Every engine we assemble has a build sheet where tolerances, torque specs, and clearances are documented.

Exclusive Features

* Balanced and blueprinted with precise, documented assembly
* Camshafts degreed for maximum performance
* Precision AMS spec machine work on block, crank and cylinder head
* Ross pistons with the AMS specially designed quench area
* O-ringed block deck for improved head gasket seal
* AMS CNC Cylinder Head, the best 4G63 head available
* AMS/TMS Head Studs, the strongest available
* AMS Race Balance Shaft Eliminator for added oil pump reliability
* ARP Main Studs for peace of mind at high RPM
* Precision Enterprises Timing Belt for added strength
* AMS Wet Sump Oil Pan prevents oil starvation and adds oil capacity
* Comes fully assembled, ready for installation

Includes

* AMS spec pistons w/ coated skirts
* AMS spec Billet crankshaft
* AMS spec custom rods
* ARP main stud kit
* AMS race balance shaft eliminator kit
* High performance rod & main bearings
* Oil pump & sprocket
* Crank sprocket & trigger plate
* Oil filter housing
* Rear main seal and housing
* Water pump
* O-ringed block deck
* AMS CNC cylinder head
* Lifters & rocker arms
* Custom Metal head gasket for proprietary bore size
* AMS/TMS head studs
* Adjustable cam gears
* Precision Enterprises timing belt
* Timing belt tensioner and all other timing components
* Valve cover
* Front engine mount bracket
* All necessary gaskets

Specifications

* Displacement: 2.27 liters
* Compression Ratio: 9.25:1 or 10:1
* Crankshaft: Custom stroke 4130 billet crank

Application

* Mitsubishi Lancer Evolution 8, 9

Compression ratio options

9.25:1 - Is good for most street and race applications. This can be tuned to make great power on pump gas & race gas. 10.0:1 - Provides great power and response on race gas for track or strip. This can be run on pump gas with caution. (93+ octane only).

Please read these tech articles before installing a new engine:

* After engine failure, new engine installation tips
http://amsperformance.com/instructions/AMS new engine after an engine failure.pdf

* Engine break in instructions
http://amsperformance.com/instructions/EngineBreakInInstructions.pdf


Vehicle Warranty and Emissions:

A vehicle modified by the use of performance parts and tuning may not meet the legal requirements for use on public roads. Use or installation of performance parts and tuning may adversely affect the drivability and reliability of your vehicle, and may also affect or eliminate your insurance coverage, factory warranty and new OEM part warranty. Performance parts are sold as is without any warranty of any type. There is no warranty stated or implied due to the stress placed on your vehicle by performance parts and our inability to monitor its use, tuning or modification.

Part Number: AMS23RRCMEVO89