The R&D Pro Pitch Solas Concord 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 out of the box Solas impellers. R&D maintains the superior, high-performing polished finish that comes on every Solas impeller. Performance gains include reduced cavitation, increased acceleration and a 1-2 mph top speed improvement in rough water conditions. Pt. # 133-01421 14/21 R&D/Solas Pro Tuned Impellor (Stock Replacement), Pt. # 133-01422 14/22 R&D/Solas Pro Tuned Impellor (Recreational/Offshore), Pt. # 133-01423 14/23 R&D/Solas Pro Tuned Impellor (Recreational/Offshore), Pt. # 133-01522 15/22 R&D/Solas Pro Tuned Impellor (Pro Am Stock Racing).
