{"product_id":"fox-2-5-performance-ifp-hto-front-rear-shock-kit-2011-2019-chevy-gmc-2500hd-3500hd-2wd-4wd-4-6-in-lift","title":"Fox 2.5 Performance IFP HTO Front \u0026 Rear Shock Kit | 2011-2019 Chevy\/GMC 2500HD\/3500HD 2WD\/4WD | 4-6 in Lift","description":"\u003cdiv class=\"hs-fitment\"\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e2011-2019 Chevy Silverado 2500HD\/3500HD and GMC Sierra 2500HD\/3500HD, 2WD and 4WD, with a 4 to 6 in lift kit (4 to 6 in front, 4 to 6 in rear)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp class=\"hs-excl\"\u003e\u003cstrong\u003eDoes not fit:\u003c\/strong\u003e stock or leveled trucks, trucks lifted 3.5 in or less, trucks lifted 7 in or more\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"hs-why\"\u003e\n\u003ch3\u003eWhy this kit\u003c\/h3\u003e\n\u003cp\u003eThe step up from the Fox 2.0 for a GM HD on a 4 to 6 in drop-bracket lift, without going to a remote reservoir. The 2.5 Performance Series IFP HTO uses a 2.5 in body with a larger piston and much more oil, so it runs cooler and holds its damping longer on a heavy truck than a 2.0 can, while staying a simple bolt-in. Two 987-24-032 fronts and two 987-24-035 rears, both sized for 4 to 6 in of lift, so a tall Duramax on 35s or 37s stops wallowing over dips and keeps its composure on washboard with a trailer on.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"hs-glance\"\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eKit contents\u003c\/th\u003e\n\u003ctd\u003e2 front shocks + 2 rear shocks (one complete truck)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront\u003c\/th\u003e\n\u003ctd\u003eFox 2.5 Performance IFP HTO 987-24-032, for 4 to 6 in front lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear\u003c\/th\u003e\n\u003ctd\u003eFox 2.5 Performance IFP HTO 987-24-035, for 4 to 6 in rear lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003e2.5 in aluminum body, internal floating piston, high-temp oil, 7\/8 in hard chrome shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrivetrain\u003c\/th\u003e\n\u003ctd\u003e2WD and 4WD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eFOX limited lifetime warranty (Performance Series purchased after 3\/30\/2025)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv class=\"hs-specs\"\u003e\n\u003ch3\u003eWhat is in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 x Fox 2.5 Performance Series IFP HTO front shock, part number 987-24-032\u003c\/li\u003e\n\u003cli\u003e2 x Fox 2.5 Performance Series IFP HTO rear shock, part number 987-24-035\u003c\/li\u003e\n\u003cli\u003eBushings, washers and hardware. Factory or lift kit mounting bolts are reused\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"hs-faq\"\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003e2.5 HTO or 2.0 IFP?\u003c\/summary\u003e\u003cp\u003eSame FOX valving philosophy. The 2.5 has a larger body and piston and roughly 50 percent more oil, so it fades less on long rough roads and under heavy loads. If the truck is a daily driver that occasionally tows, the 2.0 4-6 in kit is the value pick. If it works hard every week or sees real dirt, the 2.5.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill the fronts clear my lift kit's brackets?\u003c\/summary\u003e\u003cp\u003eThe 2.5 body is a half inch larger in diameter than the 2.0. FOX lists it for the common 4-6 in GM HD drop-bracket kits; if your kit uses a tight-fitting front shock bracket, check clearance around the lower mount before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long does installation take?\u003c\/summary\u003e\u003cp\u003eRears are 20 to 30 minutes per side with hand tools. Fronts are a bolt-in swap at the lift kit's lower mount and the frame, about 30 to 45 minutes per side.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the warranty?\u003c\/summary\u003e\u003cp\u003eFOX covers 2.0 and 2.5 Performance Series IFP shocks purchased after 3\/30\/2025 with a limited lifetime warranty against defects, to the original retail owner through the original place of purchase. Keep your Hannah Suspension order confirmation.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003cdiv class=\"hs-about\"\u003e\n\u003ch3\u003eAbout FOX\u003c\/h3\u003e\n\u003cp\u003eFOX Factory has built racing and off-road dampers since 1974 and supplies factory shocks for the Ford Raptor, Ram TRX and Chevy ZR2. The Performance Series brings that race-developed piston and valving to a bolt-on truck shock. Hannah Suspension ships genuine FOX parts with full factory warranty.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FOX","offers":[{"title":"Default Title","offer_id":48992490750174,"sku":null,"price":1387.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/8105\/1102\/files\/2cf9bfb73f29f79cf16fd2b5c32bfa02L_dc21cd2f-14c6-480e-9d25-bfebe2077324.jpg?v=1788706448","url":"https:\/\/hannahsuspension.com\/products\/fox-2-5-performance-ifp-hto-front-rear-shock-kit-2011-2019-chevy-gmc-2500hd-3500hd-2wd-4wd-4-6-in-lift","provider":"Hannah Suspension","version":"1.0","type":"link"}