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S&S Cycle 90-1004 Super Stock EVO Cylinder Heads - Natural

Demon’s Part # 90000011652 Mfg. Part # 90-1004


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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.