{"title":"Lower Pulleys","description":"\u003ch1\u003elower-pulleys\u003c\/h1\u003e","products":[{"product_id":"ati-shelby-gt500-15-overdrive-harmonic-balancer","title":"ATI 918046 15% Overdrive Harmonic Balancer (2007-2014 Shelby GT500)","description":"\u003cp\u003eThe patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEliminates torsional crankshaft vibrations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExceeds SFI 18.1 specs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLaser engraved 360* timing marks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack zinc chromate finished\u003c\/strong\u003e\n\u003cdiv style=\"margin-left: 4em\"\u003eInner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eNOTE:\u003c\/span\u003e Installation of a new balancer bolt is \u003cspan style=\"color: #ff0000;\"\u003eREQUIRED\u003c\/span\u003e as the factory Ford bolt is torque-to-yeild. Lethal Performance offers the bolts . Also, cars equipped with the \"Track Pack\" option that have the factory oil cooler, the 15% OD balancers will not fit unless you modify the lower oil cooler hose, delete the cooler all together OR use an aftermarket cooler like the MMR part number 400235.\u003c\/strong\u003e\u003cstrong style=\"line-height: 1.5em;\"\u003e The 10% OD is better suited for Track Pack cars that want to keep the OEM cooler.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":47954752209154,"sku":"ATI-918046","price":568.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/918046_2.jpg?v=1785025077"},{"product_id":"innovators-west-07-14-shelby-gt500-10-overdrive-balancer-w-belt","title":"Innovators West 07-14 Shelby GT500 10% Overdrive Balancer w\/Belt","description":"\u003cp\u003e\u003cstrong\u003eInnovators West 07-14 Shelby GT500 10% Overdrive Balancer with Belt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInnovators West now offers a complete replacement balancer for the 2007-2014 5.4L \u0026amp; 5.8L Shelby GT500. Ford redesigned the factory balancer for 2008, making it much lighter than the 2007 unit. This balancer is even lighter than the new 2008 part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"disc\"\u003e\n\u003cli\u003eThe supercharger drive section of the pulley is enlarged in diameter by 10%, for a 3-4psi increase in boost.\u003c\/li\u003e\n\u003cli\u003eImproves performance by reducing rotating weight and raising supercharger boost.\u003c\/li\u003e\n\u003cli\u003eGreat for Ford Racing TVS blowers and those looking to get the most out of their stock blower.\u003c\/li\u003e\n\u003cli\u003e10% OD balancer requires slightly filing of casting for clearance.\u003c\/li\u003e\n\u003cli\u003e2.6\" Upper Fitment for this Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e","brand":"Innovators West","offers":[{"title":"Default Title","offer_id":47954754076930,"sku":"IW-827W10BELT","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/iw-827wbelt.jpg?v=1785025065"},{"product_id":"metco-motorsports-lower-crank-pulley-ring-only-53348","title":"Metco Motorsports Lower Crank Pulley (Ring Only)","description":"\u003cp\u003eOur crank pulley rings are designed for use with our Metco Motorsports Interchangeable Crank Pulley Kit offered for the supercharged Lightning and Harley Davidson  truck and the supercharged Mustang Cobra.\u003c\/p\u003e\u003cp\u003eThese crank pulley rings are precision-machined from billet aluminum and then black-anodized for good looks and long-lasting surface protection.\u003c\/p\u003e\u003cp\u003eIf you already have the Interchangeable Crank Pulley Kit on your vehicle, one of these crank pulley rings is all that is needed to change your boost level.\u003c\/p\u003e\u003cp\u003eOur crank pulley rings are available in several sizes, including an underdrive pulley for use with a Kenne-Bell or Whipple supercharger, a stock-diameter ring, +2 lb, +4 lb, +6 lb, +8 lb, and +10 lbs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e  Some pulley rings may be available in a machined finish.  Please call or email for availability.\u003c\/p\u003e","brand":"Metco","offers":[{"title":"-4LB Lower Crank Pulley (6.55\"","offer_id":47954777964802,"sku":"MET-MCR6.55","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Stock Size Lower Crank Pulley (7.40\"","offer_id":48120825184514,"sku":"MET-MCRStock","price":129.99,"currency_code":"USD","in_stock":true},{"title":"+2LB Lower Crank Pulley (8.10\"","offer_id":48120825217282,"sku":"MET-MCR0002","price":129.99,"currency_code":"USD","in_stock":true},{"title":"+4LB Lower Crank Pulley (8.60\"","offer_id":48120825250050,"sku":"MET-MCR0004","price":129.99,"currency_code":"USD","in_stock":true},{"title":"+6LB Lower Crank Pulley (9.10\"","offer_id":48120825282818,"sku":"MET-MCR0006","price":129.99,"currency_code":"USD","in_stock":true},{"title":"+8LB Lower Crank Pulley (9.55\"","offer_id":48120825315586,"sku":"MET-MCR0008","price":139.99,"currency_code":"USD","in_stock":true},{"title":"+10LB Lower Crank Pulley (10\"","offer_id":48120825348354,"sku":"MET-MCR0010","price":149.99,"currency_code":"USD","in_stock":true},{"title":"+12LB Lower Crank Pulley for Custom Applications (10.50\"","offer_id":48120825381122,"sku":"MET-MCR0012","price":159.99,"currency_code":"USD","in_stock":true},{"title":"+14LB Lower Crank Pulley for Custom Applications (11\"","offer_id":48120825413890,"sku":"MET-MCR0014","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/metcoring.jpg?v=1785029209"},{"product_id":"metco-motorsports-03-04-cobra-crank-idler-relocation-kit","title":"Metco Motorsports 03-04 Cobra Crank Idler Relocation Kit","description":"\u003cp\u003eThis kit is offered as a service part for the interchangeable crank pulley kits we manufacture for the Mustang Cobra (PN ICPCOBRA, listed elsewhere). \u003c\/p\u003e\u003cp\u003eThis kit includes everything normally included with the Cobra Crank Pulley Kit, with the exception of the crank pulley hub, the hub bolts, the pulley ring, the ring bolts, and the hex tool for the factory crank bolt. \u003c\/p\u003e\u003cp\u003eAs shown, this kit includes the CNC-machined billet idler plate with fasteners, the idler pulley mount and fasteners, (4) billet spacers, and the laser-cut and CNC-machined steel support bracket. Installation instructions for the ICPCOBRA1 kit are included but not shown.\u003cbr\u003e\u003c\/p\u003e","brand":"Metco","offers":[{"title":"Default Title","offer_id":48141329629442,"sku":"MET-ICPIDL03","price":178.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/icpidl03-1.jpg?v=1784983517"},{"product_id":"metco-custom-crank-pulley-hub-for-ati-balencer-2003-2004-cobra-mch4001","title":"Metco Custom Crank Pulley Hub for ATI Balancer (2003-2004 Cobra) - MCH4001","description":"\u003cstrong\u003eCustom Crank Pulley Hub\u003cbr\u003e\u003cbr\u003e\n\nFor 2003-2004 Mustang Cobra with ATI 918036 Balancer\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\n\n \n\nThis specially-machined crank pulley hub is designed for users of our ICPCOBRA interchangeable crank pulley kit who have equipped their Cobra with an ATI harmonic balancer.  If you are using the original Ford balancer, please see the MCH3000 crank pulley hub, available as a replacement part in the Service Parts section of this site.\u003cbr\u003e\u003cbr\u003e\n\nThis crank pulley hub is intended specifically for the ATI 918036 balancer.  It will not fit with the OEM Ford balancer, or any other ATI balancer.  This crank pulley hub accommodates the width, bolt pattern, and hub mounting requirements unique to the 918036 balancer, and it positions our crank pulley ring exactly in line with the supercharger pulley.\u003cbr\u003e\u003cbr\u003e\n\nLike all Metco Motorsports products, this crank hub is CNC-machined from certified 6061-T6 billet aluminum, and then vibratory-polished for a smooth finish and for corrosion resistance.  This crank hub ships with the required 3\/8-16 fasteners necessary to secure it to the ATI balancer.\u003cbr\u003e\u003cbr\u003e\n\nThis part is a very specialized item, and it is offered with limited availability.  It is only available for purchase directly from Metco Motorsports.","brand":"Metco","offers":[{"title":"Default Title","offer_id":48146260852994,"sku":"MET-MCH4001","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/mch4001-2.jpg?v=1785007096"},{"product_id":"metco-motorsports-03-04-cobra-interchangeable-crank-pulley-kit-1-pulley","title":"Metco Motorsports 03-04 Cobra Interchangeable Crank Pulley Kit (1 Pulley)","description":"\u003cdiv\u003e2003-2004 Ford Mustang Cobra\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInterchangeable Crank Pulley Kit (Includes One Pulley Ring)\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis comprehensive kit allows the user to replace the heavy factory crankshaft pulley and cage assembly with a lightweight, precision-machined aluminum hub and interchangeable outer ring.  The kit includes all of the necessary hardware, including a billet bracket to cleanly and securely relocate the factory crank idler pulley.  Once this kit is installed, the user can adjust the vehicle's boost level by simply changing the outer pulley ring to any of the available Metco pulley rings, a process that takes just minutes.  In addition to the increased power available with this kit, installation of our crank pulley eliminates the failure-prone bushings and center bearing associated with the original crank pulley assembly.  Our kit also makes replacing the Cobra's accessory drive belt a very simple process.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis kit is custom-engineered to be a complete bolt-on, with no cutting, drilling, or irreversible changes required.  In most cases, total time required for installation is about two hours.  Please note that PCM calibration may be necessary with any change in the boost level.  \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe 14mm hex tool is offered as an optional installation aid (shown in images, not included) to break the original crank pulley bolt loose.  It is CNC-machined from 1045 steel and then heat-treated for additional strength.  This tool is very strong and is often appreciated when dealing with an extra-stubborn crank pulley bolt.  As an alternative, a 14mm hex bit to fit your favorite ratchet or breaker bar is available from many sources.  A 14mm hex bit (or our hex tool) is required for installation of this kit if the original crank pulley assembly is in place.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePulley ring choices include:  1\" smaller than stock diameter (for use with aftermarket superchargers using pump fuel), stock diameter, +2 lbs, +4 lbs, +6 lbs, +8 lbs, and +10 lbs.  Please make your selection below. \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eA special crank pulley hub is available for applications using the ATI harmonic balancer for the Cobra (ATI PN 918036).  This custom crank pulley hub is listed elsewhere in this section, and can be substituted for the standard crank hub included in this kit for a minimal charge.   Please indicate your balancer configuration by choosing the appropriate option above.     \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePlease note that Metco offers underdrive alternator pulleys that are recommended for use with +2 lb, +4 lb, +6 lb, and +8 lb, (and larger) crank pulley rings.  These alternator pulleys are also listed in the Mustang Cobra section of our site.  \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eMetco Motorsports crankshaft pulley rings as included in this kit are also available separately.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Metco","offers":[{"title":"Default Title","offer_id":48150092546306,"sku":"MET-ICPCOBRA1","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/icpcobra1_1.jpg?v=1785025100"},{"product_id":"ati-shelby-gt500-10-overdrive-harmonic-balancer","title":"ATI 918049 Shelby GT500 10% Overdrive Harmonic Balancer (2007-2014 Shelby GT500)","description":"\u003cdiv\u003e\u003cstrong\u003eThe 10% OD balancer is built to order as it's a 15% balancer that gets machined down to the proper diameter. This process can take up to one week before the product will ship.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEliminates torsional crankshaft vibrations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExceeds SFI 18.1 specs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLaser engraved 360* timing marks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack zinc chromate finished\u003c\/strong\u003e\n\u003cdiv style=\"margin-left: 2em\"\u003eInner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eNOTE:\u003c\/span\u003e Installation of a new balancer bolt is \u003cspan style=\"color: #ff0000;\"\u003eREQUIRED\u003c\/span\u003e as the factory Ford bolt is torque-to-yeild. Lethal Performance offers the bolts \u003ca href=\"\/\/www.lethalperformance.com\/ford-07-2013-shelby-gt500-crankshaft-balancer-bolt.html\"\u003eHERE\u003c\/a\u003e. This balancer is better suited for cars equipped with the \"Track Pack\" option as it will not interfere with the oil cooler lines. \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":48150092873986,"sku":"ATI-918049","price":571.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/918046_1.jpg?v=1785025101"},{"product_id":"ati-shelby-gt500-stock-diameter-harmonic-balancer","title":"ATI 918045 Stock Diameter Harmonic Balancer (2007-2014 Shelby GT500)","description":"The patented ATI Super Damper is the only damper designed exclusively for high performance Ford engines.\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEliminates torsional crankshaft vibrations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExceeds SFI 18.1 specs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLaser engraved 360* timing marks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack zinc chromate finished\u003c\/strong\u003e\u003cul\u003eInner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eNOTE: \u003c\/span\u003eInstallation of a new balancer bolt is \u003cspan style=\"color: #ff0000;\"\u003eREQUIRED\u003c\/span\u003e as the factory Ford bolt is torque-to-yeild. Lethal Performance offers the bolts \u003ca href=\"\/\/www.lethalperformance.com\/ford-07-2013-shelby-gt500-crankshaft-balancer-bolt.html\"\u003eHERE\u003c\/a\u003e. \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":48150094250242,"sku":"ATI-918045","price":559.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/918046.jpg?v=1785025110"},{"product_id":"billet-pro-shop-gt500-single-belt-setup","title":"Billet Pro Shop GT500 Single Belt Setup","description":"\u003cp\u003eThe ultimate setup to free up every bit of HP out of your engine.\u003c\/p\u003e\u003cp\u003eOur Single belt drive setup deletes the accessory belt along with its pulleys and transfers the alternator to the passenger side. This in hand will also require you to delete the mechanical water pump, hydraulic power-steering (if applicable), factory oil cooler and factory lower radiator hose.\u003c\/p\u003e\u003cp\u003eIncluded in this package is:\u003c\/p\u003e\u003cp\u003e-BPS Passenger Side Alternator Brackets\u003c\/p\u003e\u003cp\u003e-New Previous Gen. Ford Alternator\u003c\/p\u003e\u003cp\u003e-BPS 10% or 25% Underdrive 10 Rib Alternator Pulley\u003c\/p\u003e\u003cp\u003e-Meziere Water Pump\u003c\/p\u003e\u003cp\u003e-Oil filter adapter with modded water neck\u003c\/p\u003e\u003cp\u003e-BPS Water Pump High Tension idler (W\/ Ceramic bearings)\u003c\/p\u003e\u003cp\u003e-BPS Water Pump Bracket\u003c\/p\u003e\u003cp\u003e-All necessary mounting hardware\u003c\/p\u003e\u003ch4\u003eNOTE: THIS PACKAGE REQUIRES MODIFICATION OF THE THERMOSTAT HOUSING AND CUSTOM HOSE ROUTING. WILL NOT FIT WITH ELECTRONIC POWER-STEERING.\u003c\/h4\u003e\u003ch4\u003e*INTENDED FOR RACECARS ONLY*\u003c\/h4\u003e","brand":"Billet Pro Shop","offers":[{"title":"Default Title","offer_id":48150120136962,"sku":"BPS-EN006","price":2000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/single-belt.jpg?v=1785025296"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/collections\/innovators_1.jpg?v=1781134719","url":"https:\/\/www.lethalperformance.com\/collections\/lower-pulleys.oembed","provider":"Lethal Performance","version":"1.0","type":"link"}