Pro Design Usa

PD257HD

Pro Design Cool Head Dome - Standard Bore (17cc) PD257HD

SKU: 27-0257H

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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

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
For a Complete cylinder head assembly, order the Cool Head Shell - PN# (27-0250H) Or (27-0310H)

This Item Fits the Following Applications:
1986-1989 Honda TRX250R


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