Cylinder Heads & Parts - Vintage

13 products

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

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$564.99

* Save time money when purchasing this kit * One package, everything you need for a cylinder head overhaul * Double your service life over OEM using KPMI Valvetrain products Kit Includes: * KPMI ...

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KIBBLEWHITE

$564.99

* Save time money when purchasing this kit * One package, everything you need for a cylinder head overhaul * Double your service life over OEM using KPMI Valvetrain products Kit Includes: * KPMI ...

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KIBBLEWHITE

$564.99

* Save time money when purchasing this kit * One package, everything you need for a cylinder head overhaul * Double your service life over OEM using KPMI Valvetrain products Kit Includes: * KPMI ...

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KIBBLEWHITE

$365.99

Note: Maximum Recommended Lift = .600″ * Chromium-Silicon (CrSi) valve springs are high-tensile, durable steel alloys designed for high-performance engines * Complete Kit includes: springs, retain...

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KIBBLEWHITE

$365.99

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KIBBLEWHITE

$311.99

Kit Includes: * A Full Set of KPMI Stainless Steel Black Diamond Valves (Stock Head Diameter) * All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth...

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KIBBLEWHITE

$311.99

Kit Includes: * A Full Set of KPMI Stainless Steel Black Diamond Valves (Stock Head Diameter) * All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth...

AVV

$395.99

Note: Maximum Recommended Lift = .530″ * High Performance Spring Kit * Silicon & Vanadium alloy spring wire * Increased travel before coil bind * Complete Kit includes: springs, retainers, kee...

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AVV

$395.99

Note: Maximum Recommended Lift = .470″ * High Performance Spring Kit * Silicon & Vanadium alloy spring wire * Increased travel before coil bind * Complete Kit includes: springs, retainers, kee...

AVV

$395.99

Note: Maximum Recommended Lift = .590″ * High Performance Spring Kit * Silicon & Vanadium alloy spring wire * Increased travel before coil bind * Complete Kit includes: springs, retainers, kee...

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FEULING

$317.99

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

$210.99

Benefits & Features:- * OEM Style Chrome Head Bolts & Washers. * Machined from High Strength Steel. * Hardened to Original OEM Specifications to Prevent Stretching. * Bolts Feature Rolled ...

$3,979.99

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...