We drove the production 2026 Mustang RTR on street and track. It is an affordable, capable factory funhaver that puts a smile on your face.
Fixing a linkage issue helped this carbureted small-block Ford make big power. It laid down an incredible 950 horsepower on the hub dyno.
With a fresh blower upgrade, Ryan Ward’s Terminator needed a new clutch. SVT Garage installed a SPEC Stage 3+ clutch in his 620HP Cobra.
Kyle Morris builds a custom 363-cube small-block Ford. The new powerplant will motivate his Blueberry Mustang.
Upgrading your plastic coolant reservoirs prevents dangerous track spills. SPE offers billet and fabricated tanks for S550 and S650 Mustangs.
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