{"product_id":"massive-high-lift-performance-valve-spring-and-retainer-kits","title":"Massive High Lift Performance Valve Spring and Retainer Kits","description":"\u003cp\u003eHigh 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.\u003c\/p\u003e\n\u003cp\u003eMACM'17060 - Zetec set  - Compatible with 2.0 DOHC Zetec engine found in Ford Focus Escort ZX2 Contour Cougar Mystique Escpape Tribute MAriner \u003c\/p\u003e\n\u003cp\u003eWill NOT Fit Focus with SVT\u003c\/p\u003e\n\u003cp\u003eMACM'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 \u003c\/p\u003e\n\u003cp\u003eChromium Silicon Spring material improves fatigue life\u003c\/p\u003e\n\u003cp\u003e6AL4V Titanium retainers turned in house.  7 Degree lock taper\u003c\/p\u003e\n\u003cp\u003eZetec retainers are 1 gram lighter than OEM\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eZetec Specs:  Spring Pressure: Seat: 1.400\" \/ 66 lbs \/ Nose: 0.950\" @174 lbs \/ Coil Bind: 0.860\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e Some Zetec castings may require slight opening up of spring pocket area for clearance. Contact Massive for service and\/or tool. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMuch lighter than kits that use steel \/ oem retainer such as Piper Kent Burton \u003c\/p\u003e\n\u003cp\u003eGreat replacement for now discontinued Crane comp Crower Ferrea\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMACM'17065 - Duratec Specs:  Spring Pressure: Seat: 1.400\" @ 66 lbs \/ Nose: 1.000 \" @161 lbs \/ Coil Bind: 0.860\"\u003c\/p\u003e\n\u003ch6\u003eDuratec \/ MZR \/ Ecoboost I4 2.0 2.3 2. 5 Crower 84170 replacement\u003cbr\u003e\n\u003c\/h6\u003e\n\u003ch6\u003eZetec 2.0 Crower 84169 Replacement  (not for SVT - see our Cat cams springs\/retainers for that application) \u003cbr\u003e\n\u003c\/h6\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Massive Speed System","offers":[{"title":"MASSIVE High Lift Performance Spring and Retainer Kits ZETEC 2.0","offer_id":53286622265707,"sku":"MACM'17060","price":526.16,"currency_code":"CAD","in_stock":true},{"title":"MASSIVE High Lift Performance Spring and Retainer Kits Duratec 2.0 2.3 2.5 I4 Ecoboost ST RS","offer_id":53286622298475,"sku":"MACM'17065","price":526.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/mASSIVE_Zetec_Titanium_Retainers_and_Springs_2.jpg?v=1779736755","url":"https:\/\/www.raptorracing.ca\/products\/massive-high-lift-performance-valve-spring-and-retainer-kits","provider":"Raptor Racing","version":"1.0","type":"link"}