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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
New flash tread pattern with narrower grooves improves wear for more consistent performance
precise closure
Fits bars up to 28 inches wide
Color matched
Raised yellow lettering on the sidewall
Pro Design PD308 Cool Head Dome - Standard Bore (22cc) body-bolt-kits New flash tread pattern withBillet 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.
