Uses for:Mercury and Mariner 40 hp through 60 hp Bigfoot/Command Thrust outboardsMercury and Mariner 2-cycle and 4-stroke outboards 75 hp through 125 hp (1978 and newer)
Improved performance for mid-range outboards
Delivers 16-25% faster acceleration than three-blade props to get on plane faster
Added cup provides superior holding and acceleration.
High rake blade design for higher speeds
The Spitfire provides 16-25% faster acceleration, superior holding with no penalty in top speed vs. a comparable 3 blade aluminum propeller. If engine RPM is appropriate with a 3-blade prop, replace with the same pitch Spitfire propeller.
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