Description
GSC S1 Camshafts – 5.0L Coyote Gen 3 (2018–2023 Mustang GT)
The GSC S1 Camshaft Set for the Gen 3 5.0L Coyote is engineered for enthusiasts who demand real gains across the usable powerband without compromising daily drivability. Designed as a true drop-in solution for street, strip, and track use, the S1 profile enhances midrange torque and sustains strong top-end power while maintaining OEM-like manners when properly tuned.
Built specifically around OEM as-cast Gen 3 Coyote cylinder heads, these cams are VCT-compatible and optimized for engines that live between 5,000 and 7,700 RPM, with peak horsepower occurring around 7,500 RPM. Whether naturally aspirated, supercharged, or turbocharged, the S1 camshafts deliver a broader, more responsive power curve—not just a peak-number chase.
Real-World Performance, Not Just Peak Numbers
Unlike aggressive race profiles that sacrifice drivability, the GSC S1 camshafts are modeled using real Gen 3 port flow data and factory rocker geometry. The result is a cam profile that fattens the area under the curve, improves throttle response, and pulls cleanly to redline while keeping VCT fully functional. Tuners can retain variable cam timing for a stable idle, smooth cruising, and crisp throttle response—then unleash aggressive power at wide-open throttle.
Direct Injection Compatible by Design
Critical to Gen 3 Coyote performance, the direct injection high-pressure fuel pump (HPFP) lobe is maintained to OEM specifications. Stroke and timing are preserved to ensure proper pump operation, making these cams compatible with factory and most upgraded DI fuel pumps—no compromises to fueling reliability.
Street-Proven, Track-Ready
On the street, the S1 cams deliver excellent drivability for daily use with weekend abuse. On road courses, naturally aspirated setups benefit from strong corner-exit torque, responsive throttle, and a broad powerband that doesn’t fall flat at high RPM. This makes the S1 an ideal choice for NA road course builds, as well as street/strip combinations.
Premium Materials & Manufacturing
Each camshaft is cut from U.S.-sourced forged billet blanks, CNC-machined to tighter-than-OEM tolerances, and finished with BLACK ISE surface treatment to reduce friction and enhance durability. Proudly Made in the USA, these camshafts are built to withstand high-RPM operation and long-term abuse.
Key Features & Highlights
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Drop-in camshaft set for Gen 3 5.0L Coyote
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Optimized for OEM as-cast cylinder heads
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Broad, usable powerband with strong midrange
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Effective RPM range: 5,000–7,700 RPM
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Peak horsepower target: ~7,500 RPM
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Fully VCT-compatible with proper tuning
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OEM DI fuel pump lobe geometry retained
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Compatible with pump gas, race fuel, and E85/E90
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OEM valve springs acceptable for NA & supercharged setups
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Turbo applications require upgraded GSC valve springs
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Excellent for street/strip and NA road course builds
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Manufactured in the USA from U.S.-sourced billet
Fuel Compatibility
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Pump Gas
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Race Fuel
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E85 / E90
Valve Spring Requirements
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OEM valve springs: OK for Naturally Aspirated and Supercharged setups
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Turbocharged setups: GSC upgraded valve springs recommended
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Engines with 40,000+ miles are advised to install new valve springs during cam installation
Fitment
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Vehicle: Ford Mustang GT
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Engine: 5.0L Gen 3 Coyote
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Model Years: 2018–2023
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Cylinder Heads: OEM as-cast Gen 3 heads
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Drivetrain: Manual & Automatic compatible
Tuning & Installation Notes
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ECU tuning is required to realize gains and maintain drivability
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Cam events are designed to maintain piston-to-valve clearance with OEM pistons and deck heights across the full VCT phaser range
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Retains full VCT functionality with proper calibration
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Follow GSC installation sheet for torque sequences and procedures
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Turbo builds should pair with GSC valve springs and titanium retainers
