Cylinders & Pistons

168 products

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

$477.99

Features & Benefits:- * Bore = 3.503″ * 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

$464.99

Features & Benefits:- * Bore = 3.538″ * Stroke = 3.812″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter ...

KB PISTONS

$224.99

MFR PART No: 25002.STD ROLLIES PART No: KB-25002.STD

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$202.99

* Milled from Billet Aluminum 6061-T6 * Revised spray locations for more effective cooling * Dual jets for uniform piston cooling * Shorter than OEM for greater rod clearance * Includes all needed...

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CYCLE PRO LLC

$200.99

Fitment: T/Cam Models with 3.875in. Bore i.e T/Cam 88ci with 95ci Big Bore Kit T/Cam 96ci with 103ci Big Bore Kit OEM T/Cam 103ci Models * High quality, direct replacement piston ring kit * One Se...

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CYCLE PRO LLC

$200.99

Fitment: T/Cam Models with 3.875in. Bore i.e T/Cam 88ci with 95ci Big Bore Kit T/Cam 96ci with 103ci Big Bore Kit OEM T/Cam 103ci Models * High quality, direct replacement piston ring kit * One Se...

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CYCLE PRO LLC

$200.99

4.016in. Bore x 4.500in. Stroke * High quality, direct replacement piston ring kit * One Set Required Per Bike * Sold as a Pair. * Made in the USA * Replaces OEM # 22000061 MFR PART No: 28076M R...

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CYCLE PRO LLC

$200.99

Fitment: T/Cam Models with 3.875in. Bore i.e T/Cam 88ci with 95ci Big Bore Kit T/Cam 96ci with 103ci Big Bore Kit OEM T/Cam 103ci Models * High quality, direct replacement piston ring kit * One Se...

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CYCLE PRO LLC

$200.99

3.937in. Bore x 4.375in. Stroke * High quality, direct replacement piston ring kit * One Set Required Per Bike * Sold as a Pair. * Made in the USA * Replaces OEM # 22000060 MFR PART No: 28070M R...

CP CARRILLO PISTONS

$892.99

Features & Benefits:- * ID # 6435 * Bore = 3.875″ * Stroke = 4.000″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed f...

CP CARRILLO PISTONS

$893.99

Features & Benefits:- * Bore = 3.937″ * Stroke = 4.000″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed for maximum p...

CP CARRILLO PISTONS

$892.99

Features & Benefits:- * ID # 6436 * Bore = 3.875″ * Stroke = 4.000″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed f...

KB PISTONS

$646.99

Features & Benefits:- * Bore = 3.885″ * Stroke = 4.000″ * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined. * Best resistance to cracking in hi-c...

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KB PISTONS

$646.99

Features & Benefits:- * Bore = 3.875″ * Stroke = 4.000″ * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined. * Best resistance to cracking in hi-c...

KB PISTONS

$645.99

Features & Benefits:- * Bore = 4.000″ * Stroke = 4.375″ * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined * Best resistance to cracking in hi-co...