Pro Design PD308 Cool Head Dome - Standard Bore (22cc) trailers-ramps-trailer-hitches 2011-2018 Ski-Doo Renegade X E-TEC

2011-2018 Ski-Doo Renegade X E-TEC 600 HO

2017-2019 Can-Am Outlander Max 650 XT

Buckle Only

2018 Suzuki GSX-S1000F ABS

2005 Arctic Cat M7 EFI 162

Pro Design PD308 Cool Head Dome - Standard Bore (22cc) trailers-ramps-trailer-hitches 2011-2018 Ski-Doo Renegade X E-TECBillet 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.