Billet-machined design offers noticable 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 O-ring seal (no gaskets required) and adjustable and removable compression domes Race Gas Only This item fits the following applications: 1987-2006 Yamaha YFZ350 Banshee
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