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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Manufacturer Part Number: DD7699
PART # GEN-05300
94" x D - 3
(8) ½-13 THIN nylon insert locknut
Manufacturer Part Number: DD6417P
RPM Pro R "Big Core HeadPipe" Header Pipe type_drive-belt Manufacturer Part Number: DD7699Pro R "Big Core HeadPipe" Header Pipe Often hated is the Pro R's "out of frame" head pipe. Make no mistake this is the most efficient head pipe design for this engine and we wont bore you with information in regard to gas wave propagation, cylinder overlap timing, gas particle flow, and proper exhaust pressure waves. Let's just say Polaris had help designing the head pipe the way it is, and there wasn't a lack of R&D. Does this mean it's perfect? No.
