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About S&S Cycle Super Stock EVO Cylinder Heads

S&S Cycle Super Stock EVO Cylinder Heads

  • S&S heads give great performance now, and work perfectly with additional upgrades later
  • Kits are fully assembled, and include stainless steel valves and high-lift springs (up to. 640 lift)
  • Available in natural and black powder-coat finish
  • Intake manifold, pistons and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)
  • Must reuse stock headbolts
  • S&S Super Stock piston kits are required and include 10:1 ratio pistons, rings, piston pins and clips (sold separately in pairs)
  • Sold in pairs
  • Made in the USA.

Warning:  California Proposition 65

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