Pro Design Cool Head Domes Standard Bore 21cc - Yamaha Banshee

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.

DETAILS

• O-ring seal (no gaskets required) and adjustable and removable compression domes
• Race Gas Only