Comes with rings and circlips, No Pin. This piston requires a .490" diameter wrist pin. Check out ARC's #6521 High Performance wrist pin.
The strongest header clamp available. If you are tired of your header coming loose or stripping out the threads on the aluminum clamps, this is your answer. Fits RLV#4104 B91XL(stock) and RLV#4106 B91MO(modified) mufflers for 1 5/16" headers
RLV 4104 "Stock" muffler (B91XL 1-5/16") This is the spec muffler for "stock" 4cycle classes and the BP clone class in WKA, FKA, AKRA etc.
Muffler; Open MOD 1-5/16" I.D. More open, allows more exhaust flow than the DJ-1139