Shipping times: allow for 10-14 working days

Cylinder Heads & Components

63 products

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

Categories
Apparel
Brakes
Cables & Hydraulic Lines
Chassis & Sheet Metal
Chrome Mounting Hardware
Clutch & Primary Drive
Electrical
Engine
Exhaust - Spare Parts Only
Exhaust - Systems & Mufflers
Foot Controls
Fuel & Air Systems
Gasket Kits & Gaskets & Seals
Handlebars & Controls
Instruments & Gauges
Lighting
Oil Filters
Seats & Sissy Bars
Suspension
Tires & Wheels
Tools & Supplies
Transmission & Final Drive
Windshields & Luggage
Sold Out
Product image
$841.99
$841.99
Note: Maximum Recommended Lift = .580″ * Beehive steel valve spring kit * Ultra pure chrome silicon+Nickle spring wire * Extra processing for fatigue resistance * 4140 Chromoly steel Retainers * T...
Sold Out
Product image
$1,199.99
$1,199.99
By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI has developed ovate wire Beehive style springs that will live and perform at a high ...
Sold Out
Product image
$750.99
$750.99
By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI has developed ovate wire Beehive style springs that will live and perform at a high ...
Product image
$716.99
$716.99
* 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 c...
Sold Out
Product image
$628.99
$628.99
* 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 c...
Sold Out
Product image
$587.99
$587.99
* 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 c...
Product image
$578.99
$578.99
* 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 c...
Product image
$570.99
$570.99
* 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 c...
Product image
$569.99
$569.99
* 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 c...
Product image
$568.99
$568.99
* 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 c...
Product image
$568.99
$568.99
* 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 c...
Sold Out
Product image
$545.99
$545.99
* 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 c...
Sold Out
Product image
$545.99
$545.99
* 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 c...
Sold Out
Product image
$545.99
$545.99
* 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 c...
Product image
$473.99
$473.99
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...

Website designed & supported by Mama Design Studio