{"product_id":"arp-mitsubishi-lancer-evo-8-9-dsm-4g63-7-bolt-l19-head-stud-kit","title":"ARP L19 Head Stud Kit for Mitsubishi 4G63 7-Bolt Evo 8\/9 and DSM","description":"\u003ch4\u003ePremium L19 Clamping Force for the 7-Bolt 4G63\u003c\/h4\u003e\n\u003cp\u003eThis is the ARP L19 head stud kit engineered for the 7-bolt Mitsubishi 4G63 engine found in the Evolution IV through IX and DSM-platform Eclipse GST\/GSX and Eagle Talon TSi. Built from ARP's premium L19 alloy, comparable to A1 Technologies H11 tool steel, this kit exceeds the clamping capability of standard ARP2000 studs for high-boost, high-horsepower 4G63 builds.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eL19 alloy delivers a yield strength of 200,000 to 230,000 psi and a tensile strength of 260,000 psi.\u003c\/li\u003e\n\u003cli\u003eFull replacement set of 10 studs sized for the 11mm (7\/16in) 7-bolt 4G63 block.\u003c\/li\u003e\n\u003cli\u003eIncludes 8740 chromoly washers, 8740 chromoly 12-point nuts, and ARP Ultra-Torque assembly lubricant.\u003c\/li\u003e\n\u003cli\u003eHigher strength than standard ARP2000 studs for high-boost and high-horsepower applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-2006\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1999\u003c\/td\u003e\n\u003ctd\u003eEagle\u003c\/td\u003e\n\u003ctd\u003eTalon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1999\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eARP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Application\u003c\/td\u003e\n\u003ctd\u003e7-Bolt Mitsubishi 4G63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eL19 alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e260,000 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYield Strength\u003c\/td\u003e\n\u003ctd\u003e200,000 to 230,000 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStud Size\u003c\/td\u003e\n\u003ctd\u003e11mm (7\/16in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e10 studs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e10 L19 head studs\u003c\/li\u003e\n\u003cli\u003e10 8740 chromoly parallel-ground washers\u003c\/li\u003e\n\u003cli\u003e10 8740 chromoly 12-point nuts\u003c\/li\u003e\n\u003cli\u003e1 tube of ARP Ultra-Torque fastener assembly lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout ARP\u003c\/h4\u003e\n\u003cp\u003eARP (Automotive Racing Products) manufactures premium fasteners for engine builders, and its L19 alloy is reserved for the highest clamping-force applications on engines like the turbocharged 4G63 where standard ARP2000 studs reach their limit.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat engines does this head stud kit fit?\u003c\/strong\u003e\u003cbr\u003eThe 7-bolt Mitsubishi 4G63 turbo engine used in the Evolution IV through IX, Eagle Talon TSi, and Mitsubishi Eclipse GST\/GSX.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included in the kit?\u003c\/strong\u003e\u003cbr\u003e10 L19 studs, 10 8740 chromoly parallel-ground washers, 10 8740 chromoly 12-point nuts, and a tube of ARP Ultra-Torque assembly lubricant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is L19 different from standard ARP2000 head studs?\u003c\/strong\u003e\u003cbr\u003eL19 is a higher-strength alloy comparable to H11 tool steel, with a tensile strength of 260,000 psi versus roughly 220,000 psi for standard ARP2000, making it better suited to high-boost or high-horsepower builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to handle these studs with gloves?\u003c\/strong\u003e\u003cbr\u003eYes. ARP recommends handling L19 studs with gloves and keeping them well-oiled, since the material is prone to hydrogen embrittlement and stress corrosion from moisture and skin contact.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size are the 7-bolt studs?\u003c\/strong\u003e\u003cbr\u003e11mm, or 7\/16in.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit the 6-bolt 4G63 as well?\u003c\/strong\u003e\u003cbr\u003eNo, this kit is specific to the 7-bolt 4G63 block. A separate kit is required for 6-bolt applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a new head gasket required with this kit?\u003c\/strong\u003e\u003cbr\u003eYes, ARP recommends installing a new head gasket any time the cylinder head is removed for stud replacement. This kit includes studs and hardware only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the recommended torque procedure?\u003c\/strong\u003e\u003cbr\u003eFollow ARP's published torque specification for this kit, applying Ultra-Torque lubricant and torquing in progressive stages per the instructions included with the kit.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRemove the cylinder head and factory head bolts following the vehicle's factory service procedure.\u003c\/li\u003e\n\u003cli\u003eClean and inspect the block threads and head stud holes before installing new studs.\u003c\/li\u003e\n\u003cli\u003eThread each L19 stud into the block by hand, wearing gloves and keeping the studs well-oiled throughout handling.\u003c\/li\u003e\n\u003cli\u003eInstall a new head gasket and set the cylinder head in place over the studs.\u003c\/li\u003e\n\u003cli\u003eInstall the 8740 chromoly washers and 12-point nuts, applying ARP Ultra-Torque lubricant as directed.\u003c\/li\u003e\n\u003cli\u003eTorque the nuts in the progressive stages specified in ARP's instructions included with the kit.\u003c\/li\u003e\n\u003cli\u003eRecheck torque after the engine has completed a full heat cycle, per ARP's general guidance.\u003c\/li\u003e\n\u003c\/ol\u003e\n","brand":"ARP","offers":[{"title":"Default Title","offer_id":46448494608463,"sku":"ARPL19-7B","price":222.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-l19-7b-head-stud-kit-mitsubishi-4g63-7-bolt-evo-dsm.jpg?v=1787236158","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-mitsubishi-lancer-evo-8-9-dsm-4g63-7-bolt-l19-head-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}