{"title":"NC Miata Crankshaft","description":null,"products":[{"product_id":"massive-speed-balance-shaft-delete-kit-miata-2-5-swap-mzr-duratec","title":"Massive Speed Balance Shaft Delete Kit - Miata 2.5 Swap (MZR \/ Duratec)","description":"\u003cp\u003eGenuine Massive Speed Duratec \/ MZR \/ Ecoboost Balance Shaft Delete BSD Kit\u003cbr\u003eFor 2.0 \/ 2.3 \/ 2.5 Liter Motors found in Focus Fusion Mazda 3 6 and other products.\u003c\/p\u003e\n\u003cp\u003eFree up excessive engine rotational drag by removing the balance shaft assembly from your 2.3L Duratec engine with the Massive Balance Shaft Delete Kit. The heavy balance shaft assembly (An ASTOUNDING 19 POUNDS!!!) can be easily removed allowing your engine to respond faster.\u003c\/p\u003e\n\u003cp\u003eThere are no adverse effects caused by removing the balance shafts. Adds REAL horsepower and allows engine to rev FASTER!!! Install can be completed with basic hand tools in about an hour. Includes full color photographic install instructions.\u003c\/p\u003e\n\u003cp\u003eIncludes all necessary components to block the oil feed to the balance shaft assembly in the Focus 2.3L Duratec Engine.\u003c\/p\u003e\n\u003cp\u003eManufactured IN HOUSE at Massive Speed’s headquarter right here in the USA!!! Massive’s exclusive ALL lightweight 6061 Aluminum construction offers identical expansion rates to the OE aluminum block for improved seal. Anodized Massive PURPLE and laser engraved with Massive logo. Blue Flourosilicone O Ring offers superior longevity to regular buna materials used by competitors. Hardened fine pitch bolt and washer for the ultimate in strength. Includes necessary Loc Tite.\u003c\/p\u003e\n\u003cp\u003eNot for NA (naturally aspirated) 2.0 Duratec\/MZR OR 2.3 found in Ranger \/ Mazda B2300 (they do not have a balance shaft from factory)\u003c\/p\u003e\n\u003cp\u003eFits 2003-2024 2.3 2.5 NA Duratec found in Fusion Escape Milan Focus\u003c\/p\u003e\n\u003cp\u003e2013-2024 2.0 2.3 Ecoboost found in Fusion MKC Corsair Explorer Escape Focus ST RS\u003c\/p\u003e\n\u003cp\u003e2005-2013 2.3 Mazda Turbo DISI Found in Mazdaspeed 3 6 CX-7\u003c\/p\u003e\n\u003cp\u003e2003-2013 MZR 2.3 2.5 found in 3 5 6 CX-7\u003c\/p\u003e","brand":"Massive Speed","offers":[{"title":"Default Title","offer_id":67969022886087,"sku":"NM-CA1AD8","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3659\/5143\/files\/massive-speed-balance-shaft-delete-kit-1.jpg?v=1792543423"},{"product_id":"massive-speed-keyed-crankshaft-and-crank-drive-gear-miata-2-5-swap-duratec-mzr","title":"Massive Speed Keyed Crankshaft and Crank Drive Gear - Miata 2.5 Swap (Duratec \/ MZR)","description":"\u003cp\u003eOne fatal flaw of the Duratec \/ MZR line since day one has been the complete lack of keys\/dowels\/locating devices on all of the cam timing components. While we're sure eliminating them made it far easier for robots to assemble the motors in production (and scared away shade tree mechanics from working on them), the possibility of slippage ensured disastrous results. The potential for slippage, while remote on a stone-stock-untouched-grocery-getter, was much more a threat on the modified, high RPM motors us folks like to build.\u003c\/p\u003e\n\u003cp\u003eMassive has stepped in and now offers a complete line up of keyed crank shafts and companion timing chain drive gears!!!\u003c\/p\u003e\n\u003cp\u003eCranks:\u003c\/p\u003e\n\u003cp\u003eWe started with NEW (high quality professionally remanufactured in the case of the 2.3 Ranger and 2.5 Dura - new from ford no longer available ) OEM crankshafts and added a proper key way to allow the timing chain drive gear to be positively locked to the crank in the event the crank pulley bolt should come loose. This will prevent COSTLY damage to your engine! Use with our keyed chain drive pulley.\u003c\/p\u003e\n\u003cp\u003e2.0 Duratec - Factory FORGED Unit\u003c\/p\u003e\n\u003cp\u003e2.3 Ecoboost - Factory FORGED Unit\u003c\/p\u003e\n\u003cp\u003e2.3 Mazda DISI - Factory FORGED Unit\u003c\/p\u003e\n\u003cp\u003eGears:\u003c\/p\u003e\n\u003cp\u003eWe started with A brand new Ford ? Mazda chain drive gear and EDM cut a proper keyway to allow the timing chain drive gear to be positively locked to the crank in the event the crank pulley bolt should come loose. This will prevent COSTLY damage to your engine! Use with our keyed crankshaft. Includes key.\u003c\/p\u003e\n\u003cp\u003eWe've always felt the cam gears don't need a key way or dowel - Allowing them to orbit whilst installing the timing chain is a must. Additionally, there is far less chance for slippage, reuse the now unnecessary diamond washers from the crank pulley on them if you please, run some loc-tite as well.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eModified IN HOUSE at Massive Speed's headquarters right here in the USA!!!\u003c\/em\u003e\u003c\/p\u003e","brand":"Massive Speed","offers":[{"title":"Keyed 2.5 Crankshaft \/ No","offer_id":67969023082695,"sku":"NM-63E546","price":489.15,"currency_code":"USD","in_stock":true},{"title":"Keyed 2.0 Crankshaft (Forged) \/ No","offer_id":67969023148231,"sku":"NM-29B8AE","price":643.97,"currency_code":"USD","in_stock":true},{"title":"Keyed 2.3 Ranger Crankshaft (No Balance Shaft Gear) \/ No","offer_id":67969023180999,"sku":"NM-0A25F4","price":497.11,"currency_code":"USD","in_stock":false},{"title":"Keyed 2.5 Crankshaft \/ Yes","offer_id":67969555431623,"sku":"NM-2D2B70","price":568.72,"currency_code":"USD","in_stock":true},{"title":"Keyed 2.0 Crankshaft (Forged) \/ Yes","offer_id":67969555464391,"sku":"NM-26E861","price":723.54,"currency_code":"USD","in_stock":true},{"title":"Keyed 2.3 Ranger Crankshaft (No Balance Shaft Gear) \/ Yes","offer_id":67969555497159,"sku":"NM-6ED2E4","price":576.68,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3659\/5143\/files\/massive-speed-keyed-duratec-crankshaft.png?v=1792543427"},{"product_id":"massive-speed-keyed-crank-drive-gear-miata-2-5-swap-duratec-mzr","title":"Massive Speed Keyed Crank Drive Gear - Miata 2.5 Swap (Duratec \/ MZR)","description":"\u003cp\u003eOne fatal flaw of the Duratec \/ MZR line since day one has been the complete lack of keys\/dowels\/locating devices on all of the cam timing components. While we're sure eliminating them made it far easier for robots to assemble the motors in production (and scared away shade tree mechanics from working on them), the possibility of slippage ensured disastrous results. The potential for slippage, while remote on a stone-stock-untouched-grocery-getter, was much more a threat on the modified, high RPM motors us folks like to build.\u003c\/p\u003e\n\u003cp\u003eMassive has stepped in and now offers a complete line up of keyed crank shafts and companion timing chain drive gears!!! Looking for a crank and gear keyed combo? We offer them together \u003ca href=\"https:\/\/www.nappmotorsports.com\/products\/massive-speed-keyed-crankshaft-and-crank-drive-gear-miata-2-5-swap-duratec-mzr\" target=\"_blank\" title=\"Massive Speed Keyed Crankshaft and Keyed Drive Gear\" rel=\"noopener\"\u003eHERE\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eGears:\u003c\/p\u003e\n\u003cp\u003eWe started with A brand new Ford ? Mazda chain drive gear and EDM cut a proper keyway to allow the timing chain drive gear to be positively locked to the crank in the event the crank pulley bolt should come loose. This will prevent COSTLY damage to your engine! Use with our keyed crankshaft. Includes key.\u003c\/p\u003e\n\u003cp\u003eWe've always felt the cam gears don't need a key way or dowel - Allowing them to orbit whilst installing the timing chain is a must. Additionally, there is far less chance for slippage, reuse the now unnecessary diamond washers from the crank pulley on them if you please, run some loc-tite as well.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eKeyed gears and cranks are sold separately\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eModified IN HOUSE at Massive Speed's headquarters right here in the USA!!!\u003c\/em\u003e\u003c\/p\u003e","brand":"Massive Speed","offers":[{"title":"Default Title","offer_id":67969556086983,"sku":"NM-7E1FAD","price":79.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3659\/5143\/files\/massive-speed-keyed-crank-drive-gear_2921f816-978f-4ef6-8c83-074217a2a63f.png?v=1792548155"}],"url":"https:\/\/www.nappmotorsports.com\/collections\/nc-miata-crankshaft.oembed","provider":"Napp Motorsports","version":"1.0","type":"link"}