Cylinders & Pistons - Evo

29 products

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

$1,249.99

MFR PART No: 92-2026 ROLLIES PART No: SS92-2026

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KB PISTONS

$644.99

Features & Benefits:- * Bore = 3.498″ * 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

$644.99

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...

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COLONY MACHINE

$314.99

Features & Benefits:- * High Tensile Aircraft Quality Studs. Proudly Made in the USA by Colony Machine ! MFR PART No: 2442-8 ROLLIES PART No: CM-2442-8

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KB PISTONS

$802.99

Features & Benefits:- * Bore = 3.508″ * Stroke = 4.250″ * 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...

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KB PISTONS

$644.99

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 p...

KB PISTONS

$612.99

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 ...

COLONY MACHINE

$318.99

Features & Benefits:- * Custom Look. * Polished & Chrome Plated, 12 Point Dome Top Headbolts. * Replaces OEM 16480-92 and OEM 16478-85A Tech Tips:- * Will Not Fit M8 Engine’s. Proudly Mad...

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$241.99

Features & Benefits:- * Sold as a Pair. Tech Tips:- * The SS940-0014 are the new rings that S&S are using now. Proudly Made in the USA by S&S Cycle ! MFR PART No: 940-0014 ROLLIES PA...

$1,249.99

MFR PART No: 92-1062 ROLLIES PART No: SS92-1062

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KB PISTONS

$802.99

Features & Benefits:- * Bore = 3.498″ * Stroke = 4.250″ * 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...

KB PISTONS

$802.99

Features & Benefits:- * Bore = 3.518″ * Stroke = 4.250″ * 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...

KB PISTONS

$802.99

Features & Benefits:- * Bore = 3.508″ * Stroke = 4.250″ * 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...

Sold Out

KB PISTONS

$644.99

Features & Benefits:- * Bore = 3.538″ * Stroke = 4.250″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...

Sold Out

KB PISTONS

$644.99

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 p...