BPRATV Banshee 421 Big Bore Cub Serval Dome Race Cut Dome Set Pair 4mm Stroker 250SX Once you have it and

Once you have it and compare it to your old cylinder you will see just how improved the design is

2012-2013 RANGER 400

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BPRATV Banshee 421 Big Bore Cub Serval Dome Race Cut Dome Set Pair 4mm Stroker 250SX Once you have it andWORKS FOR MOST YAMAHA BANSHEE COOL HEADS 68mm big bore billet Turbo Cut domes 24cc pump or race gas 9deg for 4mm stroker crank Makes roughly 140 150 psi Works for all 421cc big bores NOT ATHENA Includes oring kit Banshees are one of our specialties so contact us for all your Banshee needs! **Products we sell: At bpracingatv our kits come with the same brand name parts (in many cases they ar better) as other rebuild kits you see online but we always