MASSIVE High Lift Performance Spring and Retainer Kits
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MASSIVE High Lift Performance Spring and Retainer Kits

$357.93
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High Lift Valvetrain kit includes high rate springs and lightweight titanium retainers for maximum performance. A must for high boost, higher lift cams and high RPM use. MACM'17060 - Zetec set  - Compatible with 2.0 DOHC Zetec engine found in Ford Focus Escort ZX2 Contour Cougar Mystique Escpape Tribute MAriner  Will NOT Fit Focus with SVT MACM'170xx - Duratec Set - Compatible with 2.0 2.3 2.5 Ford Duratec / Mazda MZR / Ford Ecoboost Engines Found in Ford Focus Escape Ranger Mustang Bronco Fusion Transit Connect Cmax etc ete - Mazda 3 5 6 MS3 6 Mazdaspeed CX-7  Chromium Silicon Spring material improves fatigue life 6AL4V Titanium retainers turned in house.  7 Degree lock taper Zetec retainers are 1 gram lighter than OEM   Zetec Specs:  Spring Pressure: Seat: 1.400" / 66 lbs / Nose: 0.950" @174 lbs / Coil Bind: 0.860"    Some Zetec castings may require slight opening up of spring pocket area for clearance. Contact Massive for service and/or tool. Much lighter than kits that use steel /

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