The R&D Pro Pitch Skat-Trak 3 and 4-blade Impellers are custom Pro Pitch Tuned impellers that meets the performance demands of the R&D Performer, Stage 1, Offshore, and Pro Am stock Kits. R&D stocks a complete line of Pro Pitch Impellers that are guaranteed to out perform stock out of the box impellers. R&D provides superior precision pitches, and maintains the high-performing finish that comes on every impeller. Performance gains include reduced cavitation, increased acceleration and a 1-2 mph top speed improvement in rough water conditions. Pt. # 133-31421 14/21 R&D/Skat 3 Blade Pro Tuned Impellor (Stock Replacement), Pt. # 133-31422 14/22 R&D/Skat 3 Blade Pro Tuned Impellor (Recreational/Offshore), Pt. # 133-31523 15/23 R&D/Skat 3 Blade Pro Tuned Impellor (Recreational/Offshore, Pt. # 133-41421 14/21 R&D/Skat 4 Blade Pro Tuned Impellor, Recreational/Offshore), Pt. # 133-41422 14/22 R&D/Skat 4 Blade Pro Tuned Impellor, (Recreational/Offshore), Pt. # 133-41523 15/23 R&D/Skat 4 Blade Pro Tuned Impellor (Recreational/Offshore)
