Gasket Kits & Gaskets & Seals

166 products

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

$470.99

Fitment: * Used for 107ci -> 124ci upgrade or 114ci -> 128ci upgrade * 4.250″ Bore * MLX 0.032″ thick Head Gaskets (thinner than OEM) * Provides an additional increase in compression. ** Re...

COMETIC GASKETS

$486.99

Fitment: * 2017up Milwaukee-Eight * 4.250″ Bore – 124ci / 128ci Big Bore kits * MLS 0.040″ thick (OEM thickness) * Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up ...

COMETIC GASKETS

$486.99

Fitment: * 2017up Milwaukee-Eight * 4.250″ Bore – 124ci / 128ci Big Bore kits * MLS 0.030″ thick Head Gaskets (thinner than OEM) * Provides an additional increase in compression. ** Remember to ...

COMETIC GASKETS

$487.99

Fitment: * 2017up Milwaukee-Eight * 4.075″ Bore – OEM CVO 117ci Engines * Used on Stage 3 or 4 Kits & when upgrading OEM 107ci to 114ci or OEM 114ci to 117ci Or Stock 117ci CVO Models * MLS 0...

COMETIC GASKETS

$487.99

* Replaces OEM # 25700730 * Replaces OEM # 91800064 * Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up MFR PART No: C10250 ROLLIES PART No: CG-C10250

COMETIC GASKETS

$486.99

* Replaces OEM # 25700730A * Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up MFR PART No: C10251 ROLLIES PART No: CG-C10251

COMETIC GASKETS

$440.99

Fitment: * Used for 107ci -> 124ci upgrade or 114ci -> 128ci upgrade * 4.250″ Bore * MLS 0.030″ thick Head Gaskets (thinner than OEM) * Provides an additional increase in compression. ** Re...

COMETIC GASKETS

$440.99

Features & Benefits:- * Used for 107ci -> 124ci upgrade or 114ci -> 128ci upgrade * 4.250″ Bore * MLS 0.040″ thick Head Gaskets Tech Tips:- * Use of these head gaskets without proper cle...

COMETIC GASKETS

$440.99

Fitment: * Stage 3 or 4. * 2017up Milwaukee-Eight * 4.075″ Bore – OEM CVO 117 Engines * Used when upgrading OEM 107ci to 114ci or OEM 114ci to 117ci Or Stock 117ci CVO Models * MLS 0.040″ thick (...

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COMETIC GASKETS

$440.99

Fitment: * Stage 3 or 4 * 2017up Milwaukee-Eight * 4.075″ Bore – OEM CVO 117 Engines * Used when upgrading OEM 107ci to 114ci or OEM 114ci to 117ci Or Stock 117ci CVO Models * MLS 0.030″ thick He...

COMETIC GASKETS

$253.99

* MLS 0.030″ thick Head Gaskets (thinner than OEM) * Provides an additional increase in compression. ** Remember to check your clearances. Warning : Use of these head gaskets without proper clea...

COMETIC GASKETS

$440.99

Fitment: Typically used for aftermarket 107ci -> 120ci upgrade or 114ci -> 124ci upgrade * MLS 0.040″ thick (OEM thickness) * Does not fit CVO Touring Models 2023up or Street Glide & Roa...

COMETIC GASKETS

$440.99

* Replaces OEM # 25700729B * Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up MFR PART No: C10218 ROLLIES PART No: CG-C10218

JAMES GASKETS INC

$439.99

Features & Benefits:- * Fits Sportster 2007-2021 with 883cc & 1200cc Engines. * RCM 0.045″ Head Gaskets provided for both Engines. * RCM Rocker Base Gaskets. * Includes all Gaskets, Seals ...

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COMETIC GASKETS

$440.99

Features & Benefits:- * Used for 131ci or 132ci upgrade – 4.310″ / 4.320″ Bore * MLS 0.040″ thick Head Gaskets * Provides an additional increase in compression. Tech Tips:- * Use of these hea...