Description
Cylinder Head Kit - Super Stock™ - Black - Evolution Big Twin '88-'99
S&S heads give great performance, and work with additional upgrades, Compatible with stock 3-1/2" or 3-5/8" bore engines, Fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift), Large 2.000" intake and 1.605" exhaust valves and high flowing ports supply plenty of air for big inch engines, Must reuse stock headbolts, Made in the USA, S&S Super Stock piston kits are required., Intake manifold, pistons and gasket kits are sold separately.
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