Mazda 4-V per cylinder 4-cyl Engines
Refine Search
2.5L Duratec Long Rod and Piston Kit (14.5:1)
We've developed this long-rod piston kit to increase reliability and power from the Duratec and L5 2..
2.5L Duratec Long Rod and Piston Kit (9.5:1)
We've developed this long-rod piston kit to increase reliability and power from the Duratec and L5 2..
89mm 2.5L Duratec "Long Rod" Pistons
These pistons are replacements for our 2.5L Long Rod & Piston kits!Valve Reliefs:Valve Reliefs f..
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..
MoTeC M130 ECU
MoTeC's unique M1 technology redefines the meaning of customisation, delivering total control withou..
PRO-SERIES Duratec Turbo Cam Set
Pro-Series camshafts are compatible with the 2.0L/2.3L & 2.5L Duratec NON-VCT daily driver type ..
PRO-SERIES STG 4 Duratec Cam Set
Pro-Series camshafts are compatible with the 2.0L/2.3L & 2.5L Duratec NON-VCT daily driver type ..
PRO-SERIES STG 5 Duratec Cam Set
Pro-Series camshafts are compatible with the 2.0L/2.3L & 2.5L Duratec NON-VCT daily driver type ..
PRO-SERIES STG 6 Duratec Cam Set
Pro-Series camshafts are compatible with the 2.0L/2.3L & 2.5L Duratec NON-VCT daily driver type ..
Pro-Series Turbo 2.5L Duratec Head
Since 2014 our company has been in a constant development program working on Duratec cylinder heads ..
Sport-Series Forged 2.0L Pistons (87.578mm Bore)
Sport-Series pistons are Made in the USA by our partner Racetec Pistons. These pistons are machined ..
Sport-Series Forged 2.0L Pistons (87.5mm Bore)
Our Sport-Series pistons are Made in the USA by our partner Racetec Pistons. These pistons are machi..
Sport-Series Forged 2.0L Pistons (88mm Bore)
Sport-Series pistons are Made in the USA by our partner Racetec Pistons. These pistons are machined ..
Sport-Series Forged 2.3L Pistons (87.578mm Bore)
Sport-Series pistons are Made in the USA by our partner Racetec Pistons. These pistons are machined ..
Sport-Series Forged 2.3L Pistons (87.5mm Bore)
Sport-Series pistons are Made in the USA by our partner Racetec Pistons. These pistons are machined ..
Sport-Series Forged 2.3L Pistons (88mm Bore)
Sport-Series pistons are Made in the USA by our partner Racetec Pistons. These pistons are machined ..
2.4L Duratec Long Rod and Piston Kit (10.5:1)
This 2.4L long-rod piston kit was designed to increase reliability and power from the standard 2.3L ..
2.4L Duratec Long Rod and Piston Kit (12:1)
This 2.4L long-rod piston kit was designed to increase reliability and power from the standard 2.3L ..
2.4L Duratec Long Rod and Piston Kit (13.5:1)
This 2.4L long-rod piston kit was designed to increase reliability and power from the standard 2.3L ..
2.4L Duratec Long Rod and Piston Kit (14.5:1)
This 2.4L long-rod piston kit was designed to increase reliability and power from the standard 2.3L ..
2.4L Duratec Long Rod and Piston Kit (9.5:1)
This 2.4L long-rod piston kit was designed to increase reliability and power from the standard 2.3L ..
2L to 2.3L Duratec Stroker Kit
2L to 2.3L Duratec Stroker Kit87mm bore size = 2261cc87.55mm bore size = 2264cc88mm bore size = 2289..
ARP Duratec / Ecoboost 8740 Headstud Kit
We recommend this head stud kit for normally aspirated engines with up to 13:1 compression! Ab..
Ecoboost / Duratec to SBF Bellhousing Adapter
This bellhousing adapter fits both Ecoboost AND Duratec 2L/2.3L/2.5L engines. It's designed to..
Keyed MX5 Crank Damper
KEYED MX5 Crank DamperThis crank damper is for use on Duratec/ MZR engines being used in 2006-2015 M..
Duratec Flat Face Intake Valve
For High Compression engines!****Our flat face valves reduce the chamber volume about 1cc!****35mm (..
Duratec Dished Face Intake Valve
For High-RPM or Low-Compression engines****Our dished face valves are similar volume to OEM valves**..
2344cc 2.4L De-stroked Shortblocks
Choose from 5 different compression ratio/ option packages to suit your specific needs. All ou..
Black Aluminum 1.5" Water Inlet Housing
Duratec/ Ecoboost 1.5" Hose Water Inlet Housing100% Made in AmericaNo thermostat to improve water fl..
Duratec Flat Face Exhaust Valve
For Hi-Compression engines****Flat faced valves reduce chamber volume approx. 1cc.!****30mm(Stock), ..
Ecoboost/ Duratec to SBF Crank Adapter
This hub-centric billet crank adapter bolts to your Ecoboost or Duratec crankshaft and allows you to..
Duratec Dished Face Exhaust Valve
For High-RPM or Low-Compression engines****Our dished face valves are similar volume to OEM valves**..
2493cc 2.5L Duratec Shortblocks
Choose from 5 different compression ratio/ option packages to suit your specific needs. All ou..
Duratec Valve Keepers
5.5mm Duratec Valve Keepers that work with OEM retainers and both of our upgraded valvespring kits!..
Ecoboost/ Duratec to SBF Bellhousing Adapter Starter
This Hi-Torque starter is designed to reduce or eliminate the grinding necessary to install a conven..
13.5:1 2.4L Duratec Shortblock
2344cc 13.5:1 2.4L Duratec longrod shortblockAll our 2.4L shortblocks have an actual displacement of..
12:1 2264cc 2.0/2.3L Stroker Shortblock
Are you looking for 20 to 30 hp more from your 2.0L Duratec or 2.0L Ti-VCT engine?2.3L (2264cc) ..
Duratec/ Ecoboost Valvestem Seal
These valvestem seals work for both intake and exhaust valves on Duratec, Eoboost, and MZR enginesSo..
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 wit..
-12AN Outlet / -16AN Inlet drysump tank
Over the past couple years we've seen more engine failures from improperly made oil tanks than ever ..
Remote Tuning Individual E-tunes
We offer remote tuning on a select case by case basis. This service is only offered to custome..
31mm Solid Cam Bucket
These 31mm solid cam followers will work with our Ecboost and Duratec camshaft sets, and are availab..
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 E..