1987-2006 for Yamaha Banshee 350 4x2 PRO DESIGN Cool Domes 19cc PD305 HRSF stretch inserts for optimal

HRSF stretch inserts for optimal abrasion resistance while ensuring enhanced freedom of movement

1 1/8” diameter at the clamp

for those that keep the revs below 6000 rpm

Option: 22mm Hex - 180 Deg

1987-2006 for Yamaha Banshee 350 4x2 PRO DESIGN Cool Domes 19cc PD305 HRSF stretch inserts for optimalManufacturer: Pro Design MPN: PD305 Title: Cool Head Dome Size: Standard Bore (19cc) Option: Color: Billet machined design offers noticeable bolt on performance gains Increased torque and power as a result of increasing compression Larger water jacket area supplies more water; you get the ultimate in cooling efficiency by eliminating overheating Cool Head shells and Cool Domes sold separately to give you a choice of compression ratios Features include