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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
These are a performance upgrade that add up to 0
<p>Includes clutch shoes
46/47cc reed engine for the Primal MT
When mounting the header to the exhaust port we recommend cutting down an L-shaped allen wrench
6331 - Full Mod / Signature Series Twin Top Ends 57CC & 61CC These are a performance upgradeReplacement full mod or signature series twin top end set. These top ends have been machined for twin use and our billet heat sink. Full mod is our production CNC porting and will have good power from torque through top rpm's. The signature series are ported more aggressively and will have quite a bit more power than the full mod version. We also offer custom tuning on any signature series top ends engines upon request at no additional charge. If
