Cylinder Heads & Components

40 products

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

$283.99

Benefits & Features:- * Quality hex head, hardened stainless steel bolts with a SHOW polish and corrosion-resistant finish * Tensile strength rated @ 180,000 psi – Superior & Stronger than...

COLONY MACHINE

$259.99

Features & Benefits:- * Custom Look. * Polished & Chrome Plated, 12 Point Dome Top Headbolts. * Replaces OEM 16480-85A & OEM 16478-85A Proudly Made in the USA by Colony Machine ! MFR...

FEULING

$287.99

Benefits & Features:- * Quality hex head, hardened stainless steel bolts with a SHOW polish and corrosion-resistant finish * Tensile strength rated @ 180,000 psi – Superior & Stronger than...

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$206.99

Features & Benefits:- * Fits Big Twins 1984up & Sportster 19862003. * Magnetic Covers. * Fits S&S Head Bolts Only. * Sold as a Pack (4). Proudly Made in the USA by S&S Cycle ! M...

$215.99

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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$3,807.99

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...

$3,447.99

Features & Benefits:- * 585″ Lift. * Works with 3-1/2″ & 3-5/8″ Cylinders. * Intake ports are the same size as OEM so the HD manifold bolts on. * Works with OEM style flat top pistons. * F...

$3,267.99

Features & Benefits:- * 585″ Lift. * Heads works with 3.5″ & 3-5/8″ cylinders. * Intake ports are the same size as OEM so the H-D manifold bolts on * Works with OEM style flat top pistons....

$919.99

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 ...

$224.99

Big bore, big compression and big throttle take their toll on hard parts and engine studs are no different. If your motor sees any of these we recommend stepping up to S&S Chrome Moly Head Stu...