{"product_id":"wilwood-rotor-gt-curved-vane-rotor-spec-37-iron-72-cv-12-x-8-75-left-hand-side","title":"Wilwood SRP Drilled and Slotted Rotor 15.00 x 1.25in 72CV Left Hand","description":"\u003ch4\u003eThe Left-Hand Mate to Wilwood's 15-Inch SRP Rotor Ring\u003c\/h4\u003e\u003cp\u003eWilwood 160-14636-BK is the left-hand rotor ring in the SRP drilled and slotted family, 15.00 in across and 1.25 in wide, cast in Spec-37 iron with 72 curved vanes. It weighs 23.00 lb, mounts through a twelve-bolt 8.75 in circle, and is the left-hand rotor used in kit 140-15025-D.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSRP drilled and slotted rotor measuring 15.00 in diameter by 1.25 in width.\u003c\/li\u003e\n\u003cli\u003eSpec-37 iron with 72 curved vanes for high thermal capacity.\u003c\/li\u003e\n\u003cli\u003eDirectional cross-drill and face-slot pattern that inhibits irregular pad compound build-up and sharpens pedal response.\u003c\/li\u003e\n\u003cli\u003eBlack electro coat finish, dynamically balanced, supplied unburnished.\u003c\/li\u003e\n\u003cli\u003eLeft-hand directional part that pairs with the right-hand 160-14635-BK.\u003c\/li\u003e\n\u003cli\u003eDrilling and slotting also lower rotating and unsprung weight compared with a solid face.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication type\u003c\/td\u003e\n\u003ctd\u003eComponent rotor for Wilwood hat-mount big brake assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown parent kit\u003c\/td\u003e\n\u003ctd\u003eLeft-hand rotor in Wilwood kit 140-15025-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle fitment\u003c\/td\u003e\n\u003ctd\u003eNone published standalone; fitment follows the parent kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eWilwood publishes no standalone vehicle application. The hat, caliper bracket and kit decide where this ring can be used.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWilwood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003e160-14636-BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart type\u003c\/td\u003e\n\u003ctd\u003eRotor ring, hat mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e15.00 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e1.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount side\u003c\/td\u003e\n\u003ctd\u003eLeft hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSpec-37 iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVane count\u003c\/td\u003e\n\u003ctd\u003e72 curved vane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e23.00 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSRP-BLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eSRP drilled and slotted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface finish\u003c\/td\u003e\n\u003ctd\u003eBlack electro coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurnished\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalanced\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor bolt circle\u003c\/td\u003e\n\u003ctd\u003e12 x 8.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor mount hole size\u003c\/td\u003e\n\u003ctd\u003e0.251 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLug ID registration\u003c\/td\u003e\n\u003ctd\u003e8.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFar-side inside diameter\u003c\/td\u003e\n\u003ctd\u003e9.65 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e889545081718\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eOne Wilwood SRP drilled and slotted rotor, left hand\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eAbout Wilwood\u003c\/h4\u003e\u003cp\u003eWithin Wilwood's rotor catalogue the SRP range covers street and performance use, and the larger sizes are sold as bare rings that bolt to a separate hat. Selling the ring on its own is deliberate: on a hat-mount assembly the iron is the consumable, and the aluminium hat, studs and caliper bracket normally outlast several sets of rings.\u003c\/p\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eCan this rotor go on either side of the car?\u003c\/strong\u003e\u003cp\u003eNo. The drill and slot pattern is directional and this is the left-hand part; the right-hand side takes 160-14635-BK.\u003c\/p\u003e\u003cstrong\u003eWhat is the published weight?\u003c\/strong\u003e\u003cp\u003e23.00 lb for the ring on its own.\u003c\/p\u003e\u003cstrong\u003eWhat are the mounting dimensions?\u003c\/strong\u003e\u003cp\u003eA twelve-bolt pattern on an 8.75 in circle, 0.251 in mount holes, 8.25 in lug registration and a 9.65 in far-side inside diameter.\u003c\/p\u003e\u003cstrong\u003eDoes it come with mounting bolts or a hat?\u003c\/strong\u003e\u003cp\u003eNo, the listing supplies the rotor ring only.\u003c\/p\u003e\u003cstrong\u003eWhy does drilling and slotting matter on a rotor this size?\u003c\/strong\u003e\u003cp\u003eWilwood's stated reasons are inhibiting irregular pad compound build-up, improving pedal response, and shaving rotating and unsprung weight off a large iron disc.\u003c\/p\u003e\u003cstrong\u003eIs the rotor pre-burnished?\u003c\/strong\u003e\u003cp\u003eNo. It is dynamically balanced but not burnished, so a bed-in cycle is still needed after fitting.\u003c\/p\u003e\u003cstrong\u003eWhich kit is it normally found in?\u003c\/strong\u003e\u003cp\u003eIt is the left-hand rotor in Wilwood kit 140-15025-D, mounted to hat 170-7467.\u003c\/p\u003e\u003cstrong\u003eDoes Wilwood publish a torque value for the rotor bolts?\u003c\/strong\u003e\u003cp\u003eNot on the pages that describe this rotor, so use the torque given in the instruction sheet supplied with the kit or hat hardware.\u003c\/p\u003e\u003cstrong\u003eHow is the rotor bedded in?\u003c\/strong\u003e\u003cp\u003eWilwood's published sequence works up from light decelerations to medium and firm stops, finishing with eight to ten hard decelerations from 55-65 mph to 25 mph.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eVerify that the assembly takes a 15.00 in by 1.25 in ring on a twelve-bolt, 8.75 in circle before removing anything.\u003c\/li\u003e\n\u003cli\u003eSet the rotor aside for the left-hand side, since the pattern is directional.\u003c\/li\u003e\n\u003cli\u003eClean the hat face and check the twelve mounting holes for elongation or thread damage.\u003c\/li\u003e\n\u003cli\u003eBolt the ring to the hat evenly in a cross pattern using the correct Wilwood rotor hardware.\u003c\/li\u003e\n\u003cli\u003eFit the assembly to the hub and measure runout before refitting the caliper.\u003c\/li\u003e\n\u003cli\u003eRefit the caliper and confirm the pad sweep sits inside the friction band on both faces.\u003c\/li\u003e\n\u003cli\u003eRun Wilwood's bed-in cycle, ending with eight to ten hard decelerations from 55-65 mph to 25 mph.\u003c\/li\u003e\n\u003cli\u003eAllow the assembly to cool fully, then re-check the rotor bolts.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":46374522519631,"sku":"WIL160-14636-BK","price":542.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/wilwood-srp-drilled-and-slotted-rotor-15_00-x-1_25in-72cv-left-hand-wilwood.jpg?v=1786381545","url":"https:\/\/www.blackopsautoworks.com\/products\/wilwood-rotor-gt-curved-vane-rotor-spec-37-iron-72-cv-12-x-8-75-left-hand-side","provider":"Black Ops Auto Works","version":"1.0","type":"link"}