Cylinders & Pistons

162 products

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

$1,082.99

Features & Benefits:- * ID # 6437 * Bore = 3.875″ * Stroke = 4.375″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$1,082.99

Features & Benefits:- * ID # 6933 * Bore = 3.937″ * Stroke = 4.375″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$1,083.99

Features & Benefits:- * ID # 12776 * Bore = 4.180″ * Stroke = 4.375″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed...

$858.99

Recommended Additional Purchase * Part # KB264.STD = KB Piston Kit * Part # CG-C9763 or CG-C9177 = Top End Kit * Replaces OEM # 16447-88 Tech Tip:- 1. Final sizing of piston to cylinder bore clea...

$819.99

* Top quality cast iron alloy Replacement Cylinders painted black and finished to 3-7/16″ 1200cc (74ci) standard size * Designed for inside or outside top end oiling Recommended Additional Purchas...

$780.99

* Top quality cast iron alloy Replacement Cylinders painted black and finished to 3-7/16″ 1200cc (74ci) standard size * Painted black to prevent rust. Recommended Additional Purchase * Part # KB26...

$778.99

$819.99

Sold Out

KB PISTONS

$679.99

Features & Benefits:- * Bore = 3.518″ * Stroke = 4.250″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter ...

KB PISTONS

$679.99

Features & Benefits:- * Bore = 3.508″ * Stroke = 4.250″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter ...

KB PISTONS

$679.99

Features & Benefits:- * Bore = 3.528″ * Stroke = 4.250″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...

KB PISTONS

$679.99

Features & Benefits:- * Bore = 3.508″ * Stroke = 4.250″ * Hypereutectic Alloy is a cast 16% silicon content material * Perfect for air cooled engines * Low thermal expansion rate = tighter pi...

Sold Out

KB PISTONS

$662.99

Features & Benefits:- * Bore = 3.497″ * Stroke = 3.969″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...

KB PISTONS

$662.99

Features & Benefits:- * Bore=3.467″ * Stroke = 3.969″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter pis...

KB PISTONS

$662.99

Features & Benefits:- * Bore = 3.507″ * Stroke = 3.969″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...