Collection:
Cylinders & Pistons - Vintage
19 productsShop the range of aftermarket motorcycle engine products at Pro Class Custom Parts.
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FXR
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Front Suspension: 35 & 39mm
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Front Suspension: 41mm
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Front Suspension: 49mm
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Rear Shocks: Dyna
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Rear Shocks: FLH
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Rear Shocks: Metric
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Rear Shocks: Softail
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Rear Shocks: Vintage
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Rear Shocks: XL'04up
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XL'79-03
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Sold Out
+.020in. Pistons with 8.5:1 Compression Ratio. Fits Big Twin 1941-1979 with 1200cc Engine. - Keith Black Pistons
Regular price
$655.99
Sale price
$655.99
Regular price
Unit price
/per
Features & Benefits:-
* Bore = 3.457″
* Stroke = 3.969″
* Hypereutectic Alloy is a cast 16% silicon content material.
* Perfect for air cooled engines.
* Low thermal expansion rate = tighter p...
Sold Out
Front Cylinder - Black. Fits 1340cc (80ci) Shovelhead Engines 1978-1984 - V-Factor
Regular price
$703.99
Sale price
$703.99
Regular price
Unit price
/per
* Top quality cast iron alloy Replacement Cylinders painted black and finished to 3-1/8″ 1340cc (80ci) standard size
* Painted black to prevent rust.
Recommended Additional Purchase
* Part # KB297...
Sold Out
Rear Cylinder - Black. Fits 1340cc (80ci) Shovelhead Engines 1978-1984 - V-Factor
Regular price
$707.99
Sale price
$707.99
Regular price
Unit price
/per
* Top quality cast iron alloy Replacement Cylinders painted black and finished to 3-1/8″ 1340cc (80ci) standard size
* Painted black to prevent rust.
Recommended Additional Purchase
* Part # KB297...
80ci Cylinder Kit with 3-1/2in. Bore - Black. Fits Big Twin 1978-1984. - S&S
Regular price
$4,545.99
Sale price
$4,545.99
Regular price
Unit price
/per
Features & Benefits:-
* 80ci with High Compression.
* 4-1/4″ Stroke.
* 3-1/2″ Bore.
* 5.330″ Cylinder Length.
* 9.0:1 Compression.
* Includes Cylinders, Piston Kit, Head Bolts, Base Nuts &...
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