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Cylinder Heads & Components

63 products

Shop the range of aftermarket motorcycle engine products at Pro Class Custom Parts.

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Regular price $220.99
Sale price $220.99
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Features & Benefits:- * Replacement intake valve for S&S Super Stock Heads. * Fits Big Twin 1984up, Sportster 1986-2003 & S&S X-Wedge. * 1.605″ x 4.428″ @ 1.509″ Gauge. * Sold Eac...
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Regular price $3,993.99
Sale price $3,993.99
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Features & Benefits:- * Fitment to H-D 1966-1978 models will require upgrade to the 1979-1984 style inlet manifold rubbers & clamps. * .590′ Lift. People who Buy this Product also Purchas...
Regular price $1,103.99
Sale price $1,103.99
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Features & Benefits:- * Fits Twin Cam with S&S Heads. * Fits Evo 4″ & 4-1/8″ Bore Engines with S&S Heads. * Must be used in conjunction with S&S Rocker Covers. Proudly Made in ...