cp-e™ MZRevolved™ Mazda Mazdaspeed Short Block Stage I

Earn up to 324 BoostBucks.

Custom Performance Engineering developed the Stage I MZR 2.3L Short block as theaffordable solution for higher boost applications. This is a perfect setup for anyone wanting to run a more aggressive setup without a heavy investment. Whether you are looking for a quicker street car or more competitive yet lower budget weekend track racer – this is the solution for power, reliability and a peace of mind.

$3,849.99$6,483.26

MZR Stage I Short Block

$3,499.99

Gasket Set

Clear

Head Studs

Clear

Crate or Core Charge

Clear

Balance Shaft Delete

Clear

Mazdaspeed Short Block Stage I

Custom Performance Engineering developed the Stage I MZR 2.3L Short block as the affordable solution for higher boost applications. This is a perfect setup for anyone wanting to run a more aggressive setup without a heavy investment. Whether you are looking for a quicker street car or more competitive yet lower budget weekend track racer – this is the solution for power, reliability and a peace of mind.

Stage 1 Short Block Features
2.3L DISI L3-VDT
Stage 1 Short Block
Stock Bore
Stock Compression Ratio
Stage 1 Pistons
H-Beam Rods
Factory Main Bolts
Tri-Metal Rod Bearings
Tri-Metal Main Bearings
Keyed Crank
Keyed Sprockets
Hand assembled with full spec sheet
Serialized
Core Requirements
Inspect sleeves for cracks
All main bolts and main girdle must be included
It must be properly packaged with protection on all sides
Please clean off as much oil residue as is possible
Remove all accessories (anything that is attached to the engine)
Leave anything internally on the engine as a part of the core.

All cp-e™ MZR blocks are precision machined to our spec and hand assembled with utmost care and attention. Each block is carefully blueprinted, balanced and assigned a unique serial number. All specs are carefully tracked and verified throughout the build. Stage I blocks feature factory size bores with precision honed factory sleeves. The short block features our Manley H-Beam pistons and Stage 1 Pistons. We use performance main bearings. Our Tri-Metal rod bearings are specially coated with a Teflon based coating offering reduced friction and wear.

Each motor comes with full documentation and a spec sheet. A full engine gasket set and ARP head studs are available as well.

We recommend changing your oil every 3,000-5,000 miles, regardless of oil type chosen. High quality engines deserve high quality parts. We recommend using a proven turbocharger system, including a high performance exhaust manifold. We suggest at least a refreshed stock cylinder head for this motor. We do not cover any failures or damage to the block as a result of cylinder head failure.

Perfect choice for a street driven car. Mild to moderate big turbo build. Highly capable with necessary accompanying upgrades. We do not guarantee any specific horsepower number.


“H

H Beam Rods

cp-e™ has chosen Manley as its manufacturer of choice for connecting rods.  Manley’s H-beam connecting rods are formed from billet 4340 steel.  4340 steel is a heat treatable, low alloy steel containing nickel, chromium and molybdenum. It is known for its toughness and high strength in the heat treated condition while retaining good fatigue strength.

“Stage

Stage 1 Pistons

Manley pistons outgun cast and Hypereutectic pistons, giving you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Manley’s advanced forging process and extensive heat-treat and finishing process assure you of the performance and reliability you demand from your high performance engine.

“Keyed

Keyed Crank

In order to prevent slipping timing in high horsepower builds, all of our cranks have been keyed to ensure a locked in fitment.


Refundable Crate Core Charge- $350

If you want the least expensive option and don’t care about a long turnaround time, the crate charge is the way to go. With this option, we build YOUR motor. We must receive a block that is in rebuildable condition with this option. Any modifications that you select will be done to your personal motor, so lead times will be MUCH longer. To ensure secure and safe transport we provide a plastic crate and block mounting hardware specifically for the MZR short block with packing instructions. Return shipping label is included. Lead times are longer with this option, we will process the block upon receipt and ship it back out once build is complete. Full Crate Core Charge refunded upon return of your crate.

Please review our Engine Core Requirements page to determine if your core will be eligible for return.

Refundable Engine Core Charge- $1900

Best option for those looking for less downtime. A short block will be finalized and shipped out once the order is received. The core charge will be refunded once we receive your short block core. Please review the core requirements to make sure you have a good short block core. We must receive a block that is in rebuildable condition to refund your core charge. Full Engine Core Charge refunded upon return of your engine.

Core Requirements
Inspect sleeves for cracks
All main bolts and main girdle must be included
It must be properly packaged with protection on all sides
Please clean off as much oil residue as is possible
Remove all accessories (anything that is attached to the engine)
Leave anything internally on the engine as a part of the core.
Examples of bad cores
Cracked block
Aftermarket sleeve
Heavily damaged bore
Cracked bore
Damaged or missing crank shaft
Damaged main girdle
Deep scored deck surface
Weight 150 lbs
Dimensions 28 x 21 x 15 in

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