S&S Cycle Super Stock Cylinder Heads For Harley Big Twin 1984-1999

S&S Super Stock Cylinder Heads For Harley Evolution Big Twin

S&S heads give great performance, and work with additional upgrades. Kits are fully assembled, and include stainless steel valves and high-lift springs up to .640 lift.

Features:

• Available in natural and black powder-coat finish
• S&S Super Stock 10:1 ratio piston kits are required and sold separately
• Intake manifold, pistons and gasket kits are sold separately
• Must reuse stock headbolts
• Made in the USA
• Sold in pairs