New Arrivals/Restock

Pro Design 27-0321 Cool Head Dome Standard Bore 21Cc

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$54.00 cheaper than the new price!!

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New  $90.00
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Product details

Management number 212781790 Release Date 2026/04/06 List Price $36.00 Model Number 212781790
Category

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. Gas Only.1987-2006 fits YAM YFZ350 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
  • Features include O-ring seal (no gaskets required) and adjustable and removable compression domes
Brand Pro Design Racing
Model Cool Head Dome - Standard Bore (21cc)
Item Weight 9.8 ounces
Manufacturer Pro Design
OEM Part Number PD307
Item model number PD307
Product Dimensions 6.8 x 5 x 2 inches
Manufacturer Part Number PD307
Is Discontinued By Manufacturer Yes

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