Mazda 4-V per cylinder 4-cyl Engines

Esslinger Engineering

2.5L (2493cc) Duratec Shortblocks

Choose from 5 different compression ratio/ option packages to suit your specific needs.  All our 2.5L shortblocks have an actual displacement of..

Billet Balance Shaft Delete Plug

Billet aluminum Duratec & Ecoboost 4-cylinder balance shaft housing delete plug.  This plug is used to seal off the oil feed for the bal..

Esslinger Engineering

Duratec/ MZR Cam & Crank Timing Tool Set

Duratec & MZR Cam and Crank Timing Tool SetThe GOLD standard in cam and crank timing tools!These cam and crank alignment tool set fits 4-cylinder..

Esslinger Engineering

Duratec/ MZR Cam Timing Alignment Tool

Duratec & MZR Cam Timing Alignment ToolThe GOLD standard in cam timing tools!This cam alignment tool fits 4-cylinder Duratec (2.0L, 2.3L, and 2.5..

Esslinger Engineering

Pro-Series RR (Road Race) 2.5L Duratec Head

Since 2014 our company has been in a constant development program working on Duratec cylinder heads and engines.  These Pro-Series "RR" (Road Rac..

Esslinger Engineering

Rear Sump Rear Wheel Drive Swap Oilpan

Rear Sump Duratec/ Ecoboost Rear Wheel Drive Swap Oilpan & Pick-up TubeOur fabricated oilpans feature extra thick flanges, super slim shallow end ..

2.0L Duratec/ Ti-VCT Block

We start with a brand new Ti-VCT block so that the customer has the choice of which style cylinderhead (VCT or non-VCT) to install on it, as well..

Esslinger Engineering

2.4L (2344cc) De-stroked Shortblocks

Choose from 5 different compression ratio/ option packages to suit your specific needs.  All our 2.4L shortblocks have an actual displacement of ..

Esslinger Engineering

2.5L - 2.7L Duratec Stroker Kit

100% Made in the USA 2.5L to 2.7L Duratec Stroker KitsThis kit includes the following:Billet 4340 Ultra-lite fully counterweighted 106mm Crank6.050" U..

2.5L Duratec Block

Brand new OEM Ford 2.5L Duratec block Nominal Bore Size: 89mm (3.504")Nominal Deck Height: 231mm (9.094")Machinework Options:High Performance Mac..

ARP Durstec/ Ecoboost Main Stud Kit

Includes:10pcs 200,000 psi 10mm main studs10pcs 12pt 10mm nuts10pcs Flat Ground 10mm washersARP Ultra-Torque Assembly Lube..

Esslinger Engineering

Billet 2.5/ 2.6L Ecoboost/DISI/ Turbo Duratec Stroker Crank

Billet 104mm stroker crankThis billet crank features a 104mm stroke that results in a 2.5L or 2.6L engine depending on the bore size you run. We've de..

Esslinger Engineering

Billet 62mm 2.5L Swap Cable Throttlebody

These billet throttle bodies were designed to fit a niche market and maximize performance.  When converting a Focus to a 2.5L Duratec, you have t..

Esslinger Engineering

Billet Oil Inlet Adapter

Includes:1pc. Black Anodized Oil Inlet Adapter Plate1pc. O-ring AN Inlet Fitting (-10AN or -12AN)100% Made in America*** This oil inlet adapter is for..

Brisk GR M14 x 18mm Sparkplug

14mm x 18mm reach tapered seat sparkplugApplication:1975-2001 Ford 2.0, 2.3, & 2.5L engines2003-2011 Ford 2.0L & 2.3L Duratec non-VCTFeatures:..

Brisk RR M14x25mm Sparkplug

14mm x 25mm reach tapered seat sparkplugApplication:Fits all Ford Duratec with VCT, Ford Ecoboost, Mazda DISI, and Mazda MZR engines with VCTFeatures:..

Daido Ecoboost / Duratec Race Series Main Bearings

Daido is the OEM supplier for Ford 2L & 2.3L Ecoboost bearings.  All their are made in Japan with very strict quality control.  These Da..

Duratec / Ecoboost Cam Bolts

Duratec Cam BoltsWe offer 2 types of cam bolt for the Duratec engines.  On cams that have dowel pinned gears, we prefer the ARP cam bolts as they..

Duratec 6.050" Billet Ultra-Lite Rods

6.050" Center to center length1.890" Big End Housing bore dia..787" Wristpin dia..858" width (B.E. & pin end)535gram total weight (average)Include..

Esslinger Engineering

Duratec Timing Belt Conversion Kits

*****If you order the kit online, you will not be refunded for the shipping********** Call or e-mail for actual pricing with the options you require *..

Esslinger Engineering

Duratec/ MZR Crank TDC Tool

Duratec & MZR Crank Timing TDC ToolThe GOLD standard in crank TDC tools!This crank TDC tool fits 4-cylinder Duratec* (2.0L, 2.3L, and 2.5L), 4-cy..

Esslinger Engineering

Esslinger Billet Duratec Crank

These cranks are not only stronger than the cast 100mm. and forged 94mm cranks, they are also way lighter!We've been manufacturing crankshafts for ove..

Ford

Ford 4-cylinder pilot bearing

OEM replacement needle bearing type pilot bearing. ..

Esslinger Engineering

Forged 94mm 2.3L Stroker Crank w/ 47mm Rod Journals

This is the crank we use in our 2.3L stroker shortblocks in a 2L block!We start with a brand new forged crankshaft, and machine the snout for a 5mm wi..

Esslinger Engineering

Forged 94mm Crank w/ 50mm Rod Journals

We start with a brand new forged crankshaft, and machine the snout for a 5mm wide key to locate the timing chain drive gear and damper pulley.  N..

Esslinger Engineering

Forged 94mm Crank w/ 52mm Rod Journals

We start with a brand new OEM Ford 2.3L Ecoboost crankshaft, and machine the snout for a 5mm wide key to locate the timing chain drive gear and damper..

King Ecoboost / Duratec Race Series Main Bearings

These race series bearings feature tri-metal construction for improved particle embedability compared to the OEM Aluminum based bearings without sacri..

MoTeC

MoTeC 15 Button CAN Keypad

Available with optional label sheets!The RaceGrade Motorsport Keypad is a fully customized keypad designed specifically for your vehicle. Each button ..

MoTeC

MoTeC 8 Button CAN Keypad

The RaceGrade Motorsport Keypad is a fully customized keypad designed specifically for your vehicle. Each button features a custom graphic or symbol, ..

Motec PDM15

MoTeC’s new 15 output Power Distribution Module (PDM15) is designed to provide electronically switched power to the various electrical systems in the ..

Esslinger Engineering

MX5 (NC) Roadrace Oilpan

Fits 2006-2015 Mazda MX5 cars with any Duratec 4-cylinder engine.  These oilpans can be used in street, roadrace, drag, drift, and circletrack ra..

Esslinger Engineering

Pro Series BV (Big-valve) 2.5L Duratec Head

Since 2014 our company has been in a constant development program working on Duratec cylinder heads and engines.  These Pro-series big-valve 2.5L..

Esslinger Engineering

Pro-Series Billet 2.5L Duratec Individual Throttlebodies

Our Pro-Series billet ITB manifolds feature tapered runners along with other proprietary attributes designed to improve drivability and performance on..

Esslinger Engineering

Pro-Series Duratec Dual Valvespring kit

Our Pro-Series Duratec Dual Valvespring Kit is for engines that rev-over 8,000rpm with aggressive cams or high boost!Includes:16pcs Dual REM polished ..

Side Mount Dry-Sump Pumps

We've worked with world class drysump supplier Barnes Systems, Inc. to come up with the most advanced drysump pump available for the Duratec/ MZR/ DIS..

JE Pistons

Sport-Series 2.5L Duratec Ring Set

Sport-Series file-fit ring features1mm Nitrided Steel Top Rings1.2mm Napier 2nd Rings2.8mm 3pc. Stainless Oil RingsOptional bore sizes:89mm (for 89mm ..

Duratec 2.0L Race Series Rod Bearings

These bearings feature tri-metal construction for improved particle embeddability and load carrying capacity compared to the OEM Aluminum based bearin..

Esslinger Engineering

SPORT CAMS Ti-retainer valvespring kit

This spring kit works with all of our SPORT CAMS line of Duratec, Ecoboost, and DISI cams (VCT & non-VCT).By utilizing "clean wire" technology and..

Coated 2.3L Duratec Race Series Rod Bearings

These bearings feature tri-metal construction for improved particle embedability and load carrying capacity compared to the OEM Aluminum based bearing..

Esslinger Engineering

"Chip Flip" Exhaust Manifold Adapter Kit

This 1" thick solid steel CNC machined adapter allows for mounting turbo manifolds upside down.  Mounting a top-mount manifold upside down with t..

Esslinger Engineering

2.3L DISI "Long Rod" and piston kit

We've developed these long-rod piston kits to reduce cylinderwall loading, and increase reliability of the 94mm stroke 2.3L engines.  These engin..

Esslinger Engineering

2.5L Duratec "Long Rod" and piston kit

We've developed these long-rod piston kits to increase reliability and power from the Duratec and L5 2.5L engines.  These engines come from the f..

Esslinger Engineering

2.5L Duratec "Long Rod" pistons

These pistons are replacements for our 2.5L Longrod & piston kits!Bore Sizes available: 89mm, 89.078mm (our recommendation!), and 89.5mmValve Reli..

kING Ecoboost 2.3L / Duratec 2.5L Race Series Rod Bearings

These bearings feature tri-metal construction for improved particle embedability compared to the OEM Aluminum based bearings.***Available only in Stan..

MoTeC

MoTeC M130 ECU

MoTeC's unique M1 technology redefines the meaning of customisation, delivering total control without compromise, while highly advanced security strat..

Esslinger Engineering

PRO-SERIES Duratec Cams

We offer 3 stages of Pro-Series N/A camshafts and 1 stage of Pro-Series Turbo camshafts for 2.0L/2.3L & 2.5L Duratec NON-VCT daily driver type 200..

Esslinger Engineering

Pro-Series Turbo 2.5L Duratec Head

Since 2014 our company has been in a constant development program working on Duratec cylinder heads and engines.  These Pro-series Turbo 2.5L hea..

Esslinger Engineering

SPORT CAMS VCT Cams

We offer 5 stages of SPORT CAMS performance VCT camshafts for 2.0L/2.5L Mazda and 2.5L Ford Duratec engines (6 tooth cam trigger). These cams cover a..

Racetec Pistons

Sport-Series 2.0L Pistons

Sport-Series pistons are Made in the USA by our partner Racetec Pistons.  These pistons are machined from 2618 Alloy forgings, not the more fragi..

Sport-Series 2.3L Pistons

Sport-Series pistons are Made in the USA by our partner Racetec Pistons.  These pistons are machined from 2618 Alloy forgings, not the more fragi..

JE Pistons

Sport-Series 2.5L Pistons for Stock Length Rods

Sport-Series pistons are Made in the USA by our partner JE Pistons.  These pistons are machined from 2618 Alloy forgings, not the more fragile 40..

Esslinger Engineering

2.4L Duratec "Long Rod" and piston kit

These 2.4L long-rod piston kits were designed to increase reliability and power from the standard 2.3L  & 2.5L Duratec engines be lengthening..

2.5L Duratec Stock Length Sport-Series H-beam Rods

These Sport-Series H-beam rods are made from 4340 forgings.  After machining these "billets" into the H-beam shape, they are shotpeened to reliev..

Esslinger Engineering

2L to 2.3L Duratec Stroker Kit

2L to 2.3L Duratec Stroker Kit87mm bore size = 2261cc87.55mm bore size = 2264cc88mm bore size = 2289ccThis kit includes the following:Forged 94mm Stro..

AEM Electronics Infinity 508 ECU

Infinity ECU's purchased through Esslinger Engineering come with a base map for your specific application at no additional charge  We also includ..

ARP Duratec/ Ecoboost 8740 Head Stud Kit

We recommend this head stud kit for normally aspirated engines with up to 13:1 compression!  Above 13:1 compression and with boost above 15psi we..

Esslinger Engineering

Ecoboost/ Duratec to SBF Bellhousing Adapter

This bellhousing adapter fits both Ecoboost AND Duratec 2L/2.3L/2.5L engines.  It's designed to adapt the Small Block Ford bellhousing onto the 4..

Esslinger Engineering

Keyed MX5 Crank Damper

KEYED MX5 Crank DamperThis crank damper is for use on Duratec/ MZR engines being used in 2006-2015 Mazda MX5 cars, or applications that use the Mazda ..

Duratec Flat Face Intake Valve

For High Compression engines!****Our flat face valves reduce the chamber volume about 1cc!****35mm (Stock), or 36mm (+1mm) Head Diameter5.5mm. (Stock)..

Duratec Dished Face Intake Valve

For High-RPM or Low-Compression engines****Our dished face valves are similar volume to OEM valves****35mm(Stock), 36mm(1mm), or 37.5mm( 2.5mm) Head D..

AEM INFINITY WIRING HARNESS KIT

Includes:Pre-wired power, grounds, power relay, single wideband, 8 x coils & 8 x injectors. I/O wiring includes TPS, MAP, CLT, AIT, +5V, Sensor Gr..

Esslinger Engineering

Black Aluminum 1.5" Water Inlet Housing

Duratec/ Ecoboost 1.5" Hose Water Inlet Housing100% Made in AmericaNo thermostat to improve water flow to the waterpump in racing applications, or oth..

Duratec Flat Face Exhaust Valve

For Hi-Compression engines****Flat faced valves reduce chamber volume approx. 1cc.!****30mm(Stock), or 31mm( 1mm Oversize) Head Diameter5.5mm. (Stock)..

Esslinger Engineering

Ecoboost/ Duratec to SBF Crank Adapter

This hub-centric billet crank adapter bolts to your Ecoboost or Duratec crankshaft and allows you to use any neutral balance small block Ford flywheel..

JE Pistons

Sport-Series 2.4L Pistons for Stock Length Rods

Sport-Series pistons are Made in the USA by our partner JE Pistons.  These pistons are machined from 2618 Alloy forgings, not the more fragile 40..

Duratec Dished Face Exhaust Valve

For High-RPM or Low-Compression engines****Our dished face valves are similar volume to OEM valves****30mm (Stock), 31mm (+1mm), or 32mm (+2mm) Head D..

Duratec Valve Keepers

5.5mm Duratec Valve Keepers that work with OEM retainers and both of our upgraded valvespring kits!1 pair of keepers16 pair of keepers are needed for..

Ecoboost/ Duratec to SBF Bellhousing Adapter Starter

This Hi-Torque starter is designed to reduce or eliminate the grinding necessary to install a conventional Ford SBF starter when using our Ecoboost/ D..

AEM Infinity N/A Remote Tune Base Map

We offer remote tuning for Duratec/ MZR powered racecars and street vehicles that are not C.A.R.B. (California Air Resources Board/ emission controlle..

Esslinger Engineering

Duratec/ Ecoboost Valvestem Seal

These valvestem seals work for both intake and exhaust valves on Duratec, Eoboost, and MZR enginesSold individually.  Order 16pcs for a complete ..

Esslinger Engineering

Keyed Duratec 19 Tooth Crank Gear

OEM Ford 2.5L crank gear that we have cut for an internal 5mm keyway.  This gear is for use with engines that have 38 tooth cam gears and matchin..

-12AN Outlet / -16AN Inlet drysump tank

Over the past couple years we've seen more engine failures from improperly made oil tanks than ever before!  We sat down with Peterson and togeth..

Esslinger Engineering

Remote Tuning Individual E-tunes

We offer remote tuning on a select case by case basis.  This service is only offered to customers that have an ECU that we support, and have the ..

Ford

31mm Solid Cam Bucket

These 31mm solid cam followers will work with our Ecboost and Duratec camshaft sets, and are available in the following range of thickness': 3.000 - 3..

Bosch LSU 4.2 Lambda Sensor w/ connector kit

Bosh LSU 4.2 Wideband Lambda sensorThis sensor can be used on engines controlled by an AEM Infnity ECU without needing an external controller.  I..