This is the replacement REAR "Horseshoe" KIT containing 5 bolts to fit specifically all Krontec Carlifters except Porsche models with one exception being it will fit the LL-20CL-991-REAR (REAR car Lifter for the Porsche 991).If you have a Porsche model other than the 991 with the special cone shaped top front carlifter look at Part# LL-20CL-PP-AO.Note the Size of this "Horseshoe" is 90mm in diameter, which is smaller in diameter than the Part#LL-20CL-PP-AO that has a diameter of 100mm
