{"product_id":"gsc-p-d-18-23-ford-mustang-coyote-gen-3-290-300-billet-s1-camshafts","title":"GSC S1 Camshafts – 5.0L Coyote Gen 3 2018–2023 Mustang 5.0 290\/300","description":"\u003cp style=\"margin: 0 0 1rem; line-height: 1.6;\"\u003eIf you daily it and beat on it on weekends, this is your cam. The GSC S1 profile is engineered to wake up midrange and carry power cleanly to 7,700 rpm while keeping drivability intact. Profiles are modeled against real Gen 3 port behavior and rocker geometry, then cut from our U.S.-made forged billet blanks and finished with BLACK ISE for reduced friction and long life. Designed for stock (as-cast) heads and pump gas, race fuel, or ethanol blends (E85\/E90). Tuners keep VCT online for a civilized idle and crisp throttle; when you go WOT, it hits harder across the usable band—not just at the peak. \u003cstrong\u003eDirect Injection note:\u003c\/strong\u003e the high-pressure fuel pump (DI\/HPFP) lobe is maintained to OEM specification—stroke and timing are retained for proper pump operation.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.25rem; line-height: 1.6;\"\u003eThe S1 also shines on the road course with naturally aspirated setups—delivering crisp throttle response out of corners and a broad, usable powerband that pulls cleanly without sacrificing drivability.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 8px; margin: 0 0 1.25rem;\"\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; background: #fafafa; padding: .6rem .7rem;\"\u003e\n\u003cdiv style=\"font-size: .75rem; text-transform: uppercase; color: #da202a; letter-spacing: .4px;\"\u003eFuel\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #231f20;\"\u003ePump \/ Race \/ E85–E90\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; background: #fafafa; padding: .6rem .7rem;\"\u003e\n\u003cdiv style=\"font-size: .75rem; text-transform: uppercase; color: #da202a; letter-spacing: .4px;\"\u003eRPM Band\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #231f20;\"\u003e5,000–7,700 rpm (≈7,500 peak)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; background: #fafafa; padding: .6rem .7rem;\"\u003e\n\u003cdiv style=\"font-size: .75rem; text-transform: uppercase; color: #da202a; letter-spacing: .4px;\"\u003eValve Springs\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #231f20;\"\u003eOEM OK (NA\/SC) · Turbo → GSC springs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; background: #fafafa; padding: .6rem .7rem;\"\u003e\n\u003cdiv style=\"font-size: .75rem; text-transform: uppercase; color: #da202a; letter-spacing: .4px;\"\u003eUse Case\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #231f20;\"\u003eStreet\/Strip + NA road course\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; background: #fafafa; padding: .6rem .7rem;\"\u003e\n\u003cdiv style=\"font-size: .75rem; text-transform: uppercase; color: #da202a; letter-spacing: .4px;\"\u003eDI Pump Lobe\u003c\/div\u003e\n\u003cdiv style=\"font-weight: bold; color: #231f20;\"\u003eOEM geometry retained (HPFP compatible)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size: 1.05rem; margin: 1rem 0 .5rem; font-weight: bold; color: #231f20; border-left: 6px solid #DA202A; padding-left: 10px;\"\u003eHighlights\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 1rem 0; padding-left: 1.1rem; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse case:\u003c\/strong\u003e Drop-in \u0026amp; street builds that want max performance under the curve at near-OEM peak power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead spec:\u003c\/strong\u003e Optimized for \u003cstrong\u003eOEM port\u003c\/strong\u003e cylinder heads (as-cast)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Pump gas, race fuel, \u003cstrong\u003eE85\/E90\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak profile:\u003c\/strong\u003e ~\u003cstrong\u003e7,500 rpm\u003c\/strong\u003e horsepower target\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective band:\u003c\/strong\u003e \u003cstrong\u003e5,000–7,700 rpm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoad course ready:\u003c\/strong\u003e Excellent for NA track builds; sharp throttle response and strong pull out of corners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve springs:\u003c\/strong\u003e \u003cstrong\u003eOEM OK\u003c\/strong\u003e for NA \u0026amp; supercharged; turbo builds should pair with a \u003cstrong\u003eGSC spring upgrade\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCT:\u003c\/strong\u003e Compatible; retains street manners with proper tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDI fuel pump lobe:\u003c\/strong\u003e Maintains OEM lobe data for correct HPFP stroke\/timing; compatible with factory and most upgraded DI pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e \u003cstrong\u003eMADE IN THE USA\u003c\/strong\u003e; from U.S. sourced billet, BLACK ISE surface treatment, CNC to tighter-than-OEM tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2018–2023 Mustang GT 5.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size: 1.05rem; margin: 1rem 0 .5rem; font-weight: bold; color: #231f20; border-left: 6px solid #DA202A; padding-left: 10px;\"\u003eTuning \u0026amp; Install Notes\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 1.25rem 0; padding-left: 1.1rem; line-height: 1.6;\"\u003e\n\u003cli\u003eTune required to realize gains and maintain drivability\u003c\/li\u003e\n\u003cli\u003eEvents designed to maintain piston-to-valve clearance with OEM pistons and deck heights across the full phaser range\u003c\/li\u003e\n\u003cli\u003eSee install sheet for torque sequence and install procedures\u003c\/li\u003e\n\u003cli\u003eFor turbo setups, match with GSC springs and Ti retainers\u003c\/li\u003e\n\u003cli\u003eNew valve springs suggested for engines with more than 40k miles on the stock spring\/cam configuration when installing cams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection id=\"gsc-s1-specs\"\u003e\n\u003ch3 style=\"font-size: 1.05rem; margin: 1rem 0 .5rem; font-weight: bold; color: #231f20; border-left: 6px solid #DA202A; padding-left: 10px;\"\u003eCamshaft Specifications – GSC S1 (Gen 3 Coyote)\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCam\u003c\/th\u003e\n\u003cth\u003eAdvertised Duration\u003c\/th\u003e\n\u003cth\u003eDuration @ .050\"\u003c\/th\u003e\n\u003cth\u003eCenterline (CL)\u003c\/th\u003e\n\u003cth\u003eMax Lift\u003c\/th\u003e\n\u003cth\u003eVCT Cam Timing @ Peak Power\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"cam\"\u003eIntake\u003c\/td\u003e\n\u003ctd data-label=\"Advertised Duration\"\u003e290°\u003c\/td\u003e\n\u003ctd data-label='Duration @ .050\"'\u003e232°\u003c\/td\u003e\n\u003ctd data-label=\"Centerline (CL)\"\u003e120°\u003c\/td\u003e\n\u003ctd data-label=\"Max Lift\"\u003e.551\"\u003c\/td\u003e\n\u003ctd data-label=\"VCT Cam Timing @ Peak Power\"\u003e115° ATDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd class=\"cam\"\u003eExhaust\u003c\/td\u003e\n\u003ctd data-label=\"Advertised Duration\"\u003e300°\u003c\/td\u003e\n\u003ctd data-label='Duration @ .050\"'\u003e244°\u003c\/td\u003e\n\u003ctd data-label=\"Centerline (CL)\"\u003e138°\u003c\/td\u003e\n\u003ctd data-label=\"Max Lift\"\u003e.551\"\u003c\/td\u003e\n\u003ctd data-label=\"VCT Cam Timing @ Peak Power\"\u003e111° BTDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e","brand":"GSC POWER DIVISION","offers":[{"title":"Default Title","offer_id":57122282504569,"sku":"GSC7073S1","price":1776.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/7132\/9278\/files\/G3-COY-2.jpg?v=1778779268","url":"https:\/\/gscpowershop.co.uk\/products\/gsc-p-d-18-23-ford-mustang-coyote-gen-3-290-300-billet-s1-camshafts","provider":"GSC POWER SHOP","version":"1.0","type":"link"}