Valvetrain

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Our Pro-Series Duratec Dual Valvespring Kit is for engines that rev-over 8,000rpm with aggressive ca..

$613.50

This spring kit works with all of our SPORT CAMS line of Duratec, Ecoboost, and DISI cams (VCT &..

$425.30

For High Compression engines!****Our flat face valves reduce the chamber volume about 1cc!****35mm (..

$22.54

For High-RPM or Low-Compression engines****Our dished face valves are similar volume to OEM valves**..

$33.27

For Hi-Compression engines****Flat faced valves reduce chamber volume approx. 1cc.!****30mm(Stock), ..

$24.99

For High-RPM or Low-Compression engines****Our dished face valves are similar volume to OEM valves**..

$31.34

5.5mm Duratec Valve Keepers that work with OEM retainers and both of our upgraded valvespring kits!..

$2.99

These valvestem seals work for both intake and exhaust valves on Duratec, Eoboost, and MZR enginesSo..

$5.50

These 31mm solid cam followers will work with our Ecboost and Duratec camshaft sets, and are availab..

$15.37

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