Seller notes

FITS ALL YAMAHA BANSHEE ATHENAS WHEN CONVERTING FROM 392cc TO 421cc Special cut billet domes for 421cc conversion - Used in place of a spacer plateSTANDARD ATHENA DOMES CAN NOT BE USED WHEN CONVERTING TO 421cc24cc domes use pump or race gasCool head oring kit For use with 573M06800 pistons and +4mm stroker crankshaftWorks on Pro Design, Noss, ADA, Chariot, Vito's, Mod Quad, and CPI heads - DOES NOT WORK ON ATHENA HEAD PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE. DO YOU M...

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