Collection:
Cam Chest/Cams/Oil Pump 1936-99
34 productsShop the range of aftermarket motorcycle engine products at Pro Class Custom Parts.
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High Volume & High Pressure Billet Oil Pump – Polished. Fits Big Twin 1992-99 style Super Side Winder 4-1/8in. Bore Engines
Regular price
$1,175.99
Sale price
$1,175.99
Regular price
Unit price
/per
Features & Benefits:-
* Includes complete oil pump, mounting bolts, supply & return gears, drive shaft, keys, snap rings, check ball & spring, pressure relief valve & spring, check...
Oil Pump – Polished. Fits Big Twins 1936-1972.
Regular price
$965.99
Sale price
$965.99
Regular price
Unit price
/per
Features & Benefits:-
* Includes complete oil pump, mounting bolts, supply & return gears, drive shaft, keys, snap rings, check ball & spring, pressure relief valve & spring, check...
EV46 Grind Camshaft. Fits Evolution Big Twin 1984-1999.
Regular price
$519.99
Sale price
$519.99
Regular price
Unit price
/per
Features & Benefits:-
* Bolt-in performance cam; state of the art ramp design. Longer duration than EV3 but higher static comp. pressure; wide torque band; 2600 to 6000+ RPM.
* Works with stoc...
Oil Pump – Polished. Fits Big Twins 1992-1999
Regular price
$613.99
Sale price
$613.99
Regular price
Unit price
/per
Features & Benefits:-
* A polished aluminum stock replacement type pump
* Made from polished aluminum, this pump improves oil pressure regulation to all parts of the engine.
* Includes: gasket...
Reaper 518 Grind Camshaft. Fits Evolution Big Twin 1984-1999.
Regular price
$569.99
Sale price
$569.99
Regular price
Unit price
/per
Features & Benefits:-
* Will respond well with performance exhaust and air cleaner
* Can be used with stock valve springs, pushrods and lifters
* Direct bolt in replacement for EVO engines
* W...
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Oil Pump – Polished. Fits Big Twins 1973-1991
Regular price
$542.99
Sale price
$542.99
Regular price
Unit price
/per
Features & Benefits:-
* A polished aluminum stock replacement type pump
* Made from polished aluminum, this pump improves oil pressure regulation to all parts of the engine.
* Includes: gasket...
Sold Out
561V Camshaft. Fits Evolution Big Twin 1984-1999.
Regular price
$514.99
Sale price
$514.99
Regular price
Unit price
/per
This S&S 561 cam is for 1984-1999 Harley-Davidson® big twin models. This cam is recommended for 88 to 96 inch engines with 9.5:1 to 10.5:1 compression ratio. Provides strong midrange power. 30...
585V Camshaft. Fits Evolution Big Twin 1984-1999.
Regular price
$514.99
Sale price
$514.99
Regular price
Unit price
/per
Features & Benefits:-
* .585″ Valve Lift
* A versatile cam for 80ci to 96ci engines with 10:1 to 10.5:1 compression & larger engines with 9.5:1 to 10.0:1 compression
* 3500 6000 rpm
* Re...
B2 Grind Camshaft. Fits Big Twin 1978-1984.
Regular price
$518.99
Sale price
$518.99
Regular price
Unit price
/per
* Street/drags: More mid-range and high end power, smooth idle. Best cam for modified 74″/80″ and small strokers. Spring spacing required.
* If you are installing cams in a shovel engine, the Andr...
AB Grind Camshaft. Fits Big Twin 1978-1984.
Regular price
$518.99
Sale price
$518.99
Regular price
Unit price
/per
Features & Benefits:-
* You’ll get more mid-range and top-end power for your street or drag bike
* These cams work with solid or hydraulic lifters, and the idle remains unaffected up to 6,000 ...
J Grind Camshaft. Fits Big Twin 1970-1977.
Regular price
$518.99
Sale price
$518.99
Regular price
Unit price
/per
* Mild street: Pans and Shovels, smooth idle, more power through RPM range. Bolts in with no head work. OK for stock heads.
* If you are installing cams in a shovel engine, the Andrews valve sprin...
A2 Grind Camshaft. Fits Big Twin 1978-1984.
Regular price
$518.99
Sale price
$518.99
Regular price
Unit price
/per
* More mid-range and hi end power. Idle un-affected. Head setup required 1980 & 1981 engines: The height of original stock H/D valve guides restricts spring travel (and cam lift) to .430 or le...
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AB Grind Camshaft. Fits Big Twin 1970-1977.
Regular price
$518.99
Sale price
$518.99
Regular price
Unit price
/per
Features & Benefits:-
* You’ll get more mid-range and top-end power for your street or drag bike
* These cams work with solid or hydraulic lifters, and the idle remains unaffected up to 6,000 ...
A2 Grind Camshaft. Fits Big Twin 1970-1977.
Regular price
$518.99
Sale price
$518.99
Regular price
Unit price
/per
* Shovel bolt-in no head work. More mid-range and hi end power. Idle un-affected.
* If you are installing cams in a shovel engine, the Andrews valve spring collars and related parts will make thin...
J Grind Camshaft. Fits Big Twin 1948-1969.
Regular price
$517.99
Sale price
$517.99
Regular price
Unit price
/per
* Mild street: Pans and Shovels, smooth idle, more power through RPM range. Bolts in with no head work. OK for stock heads.
* If you are installing cams in a Genny Shovel or Pan engine, the Andrew...
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