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Engine

8284 parts

Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Cometic Head Gaskets M8 Pr 3.937" .030"Mls Stock Bore 107Ci C10164-030

    Cometic - C10164-030 - Head Gaskets M8 Pr 3.937" .030"Mls Stock Bore 107Ci

    Cometic

    $59.50
    Cometic - C10164-030 - Head Gaskets M8 Pr 3.937" .030"Mls Stock Bore 107CiFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10164-HB-030 - Head Gaskets M8 Pr 3.937" .030"Mls H/G .014" Base Cometic - C10164-HB-030 - Head Gaskets M8 Pr 3.937" .030"Mls H/G .014" Base

    Cometic - C10164-HB-030 - Head Gaskets M8 Pr 3.937" .030"Mls H/G .014" Base

    Cometic

    $79.36
    Cometic - C10164-HB-030 - Head Gaskets M8 Pr 3.937" .030"Mls H/G .014" BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $79.36
    Qty in Cart: 0
    Quantity:
    Price:
    $79.36
    Subtotal:
  • Cometic - C10165 - Head Gaskets M8 Pr 4.00" .040"Mls Stk 114Ci Oe#16500305

    Cometic - C10165 - Head Gaskets M8 Pr 4.00" .040"Mls Stk 114Ci Oe#16500305

    Cometic

    $59.50
    Cometic - C10165 - Head Gaskets M8 Pr 4.00" .040"Mls Stk 114Ci Oe#16500305FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10166-030 - Head Gaskets M8 Pr 4.075" .030"Mls Gasket Bore 4.095" Cometic - C10166-030 - Head Gaskets M8 Pr 4.075" .030"Mls Gasket Bore 4.095"

    Cometic - C10166-030 - Head Gaskets M8 Pr 4.075" .030"Mls Gasket Bore 4.095"

    Cometic

    $59.50
    Cometic - C10166-030 - Head Gaskets M8 Pr 4.075" .030"Mls Gasket Bore 4.095"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10166-HB-030 - Head Gaskets M8 Pr 4.075" .030"Mls H/G .014" Base

    Cometic - C10166-HB-030 - Head Gaskets M8 Pr 4.075" .030"Mls H/G .014" Base

    Cometic

    $79.36
    Cometic - C10166-HB-030 - Head Gaskets M8 Pr 4.075" .030"Mls H/G .014" BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $79.36
    Qty in Cart: 0
    Quantity:
    Price:
    $79.36
    Subtotal:
  • Cometic - C10167-030 - Head Gaskets M8 Pr 4.125" .030"Mls Gasket Bore 4.145"

    Cometic - C10167-030 - Head Gaskets M8 Pr 4.125" .030"Mls Gasket Bore 4.145"

    Cometic

    $59.50
    Cometic - C10167-030 - Head Gaskets M8 Pr 4.125" .030"Mls Gasket Bore 4.145"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10167-036 - Head Gaskets M8 Pr 4.125" .036"Mls Gasket Bore 4.145"

    Cometic - C10167-036 - Head Gaskets M8 Pr 4.125" .036"Mls Gasket Bore 4.145"

    Cometic

    $59.50
    Cometic - C10167-036 - Head Gaskets M8 Pr 4.125" .036"Mls Gasket Bore 4.145"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10167-HB-030 - Head Gaskets M8 Pr 4.125" .030"Mls H/G .014" Base

    Cometic - C10167-HB-030 - Head Gaskets M8 Pr 4.125" .030"Mls H/G .014" Base

    Cometic

    $79.36
    Cometic - C10167-HB-030 - Head Gaskets M8 Pr 4.125" .030"Mls H/G .014" BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $79.36
    Qty in Cart: 0
    Quantity:
    Price:
    $79.36
    Subtotal:
  • Cometic - C10168 - Head Gaskets M8 Pr 4.185" .040"Mls Gasket Bore 4.205"

    Cometic - C10168 - Head Gaskets M8 Pr 4.185" .040"Mls Gasket Bore 4.205"

    Cometic

    $59.50
    Cometic - C10168 - Head Gaskets M8 Pr 4.185" .040"Mls Gasket Bore 4.205"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10168-030 - Head Gaskets M8 Pr 4.185" .030"Mls Gasket Bore 4.205"

    Cometic - C10168-030 - Head Gaskets M8 Pr 4.185" .030"Mls Gasket Bore 4.205"

    Cometic

    $59.50
    Cometic - C10168-030 - Head Gaskets M8 Pr 4.185" .030"Mls Gasket Bore 4.205"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10169 - Head Gaskets M8 Pr 4.200" .040"Mls Gasket Bore 4.220"

    Cometic - C10169 - Head Gaskets M8 Pr 4.200" .040"Mls Gasket Bore 4.220"

    Cometic

    $59.50
    Cometic - C10169 - Head Gaskets M8 Pr 4.200" .040"Mls Gasket Bore 4.220"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10169-030 - Head Gaskets M8 Pr 4.200" .030"Mls Gasket Bore 4.220"

    Cometic - C10169-030 - Head Gaskets M8 Pr 4.200" .030"Mls Gasket Bore 4.220"

    Cometic

    $59.50
    Cometic - C10169-030 - Head Gaskets M8 Pr 4.200" .030"Mls Gasket Bore 4.220"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10172 - Tappet Cover Gasket M8 .032"Afm 10Pk Oe#25700362 Cometic - C10172 - Tappet Cover Gasket M8 .032"Afm 10Pk Oe#25700362

    Cometic - C10172 - Tappet Cover Gasket M8 .032"Afm 10Pk Oe#25700362

    Cometic

    $38.71
    Cometic - C10172 - Tappet Cover Gasket M8 .032"Afm 10Pk Oe#25700362FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...
    $38.71
    Qty in Cart: 0
    Quantity:
    Price:
    $38.71
    Subtotal:
  • Cometic - C10174 - Piston Jet Cooler Gasket M8 .032"Afm 2Pk Oe#25700433 Cometic - C10174 - Piston Jet Cooler Gasket M8 .032"Afm 2Pk Oe#25700433

    Cometic - C10174 - Piston Jet Cooler Gasket M8 .032"Afm 2Pk Oe#25700433

    Cometic

    $4.03
    Cometic - C10174 - Piston Jet Cooler Gasket M8 .032"Afm 2Pk Oe#25700433FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $4.03
    Qty in Cart: 0
    Quantity:
    Price:
    $4.03
    Subtotal:
  • Cometic Base Gasket M8 .014" Stk Thick Pr Oe#16500332 C10177

    Cometic - C10177 - Base Gasket M8 .014" Stk Thick Pr Oe#16500332

    Cometic

    $31.55
    Cometic - C10177 - Base Gasket M8 .014" Stk Thick Pr Oe#16500332FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...
    $31.55
    Qty in Cart: 0
    Quantity:
    Price:
    $31.55
    Subtotal:
  • Cometic - C10177-020 - Base Gasket M8 .020"Rc Pr Cometic - C10177-020 - Base Gasket M8 .020"Rc Pr

    Cometic - C10177-020 - Base Gasket M8 .020"Rc Pr

    Cometic

    $31.55
    Cometic - C10177-020 - Base Gasket M8 .020"Rc PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...
    $31.55
    Qty in Cart: 0
    Quantity:
    Price:
    $31.55
    Subtotal:
  • Cometic - C10179 - Upper Rocker Gasket M8 .020" Rc 10Pk Oe#25700372 Cometic - C10179 - Upper Rocker Gasket M8 .020" Rc 10Pk Oe#25700372

    Cometic - C10179 - Upper Rocker Gasket M8 .020" Rc 10Pk Oe#25700372

    Cometic

    $113.10
    Cometic - C10179 - Upper Rocker Gasket M8 .020" Rc 10Pk Oe#25700372 Features At Cometic Gasket, our goal is to offer the latest in gasket technology Materials, manufacturing processes and gasket...
    $113.10
    Qty in Cart: 0
    Quantity:
    Price:
    $113.10
    Subtotal:
  • Cometic - C10179-2 - Upper Rocker Gasket M8 .020" Rc 2Pk Oe#25700372 Cometic - C10179-2 - Upper Rocker Gasket M8 .020" Rc 2Pk Oe#25700372

    Cometic - C10179-2 - Upper Rocker Gasket M8 .020" Rc 2Pk Oe#25700372

    Cometic

    $25.13
    Cometic - C10179-2 - Upper Rocker Gasket M8 .020" Rc 2Pk Oe#25700372FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $25.13
    Qty in Cart: 0
    Quantity:
    Price:
    $25.13
    Subtotal:
  • Cometic Head Gaskets M8 4.250" .040"Mls Pair C10181

    Cometic - C10181 - Head Gaskets M8 4.250" .040"Mls Pair

    Cometic

    $59.50
    Cometic - C10181 - Head Gaskets M8 4.250" .040"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic Head Gaskets M8 4.250" .030"Mls Pair C10181-030

    Cometic - C10181-030 - Head Gaskets M8 4.250" .030"Mls Pair

    Cometic

    $59.50
    Cometic - C10181-030 - Head Gaskets M8 4.250" .030"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic Head Gaskets M8 4.320" .040"Mls Pair C10182

    Cometic - C10182 - Head Gaskets M8 4.320" .040"Mls Pair

    Cometic

    $59.50
    Cometic - C10182 - Head Gaskets M8 4.320" .040"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10182-030 - Head Gaskets M8 4.320" .030"Mls Pair Cometic - C10182-030 - Head Gaskets M8 4.320" .030"Mls Pair

    Cometic - C10182-030 - Head Gaskets M8 4.320" .030"Mls Pair

    Cometic

    $59.50
    Cometic - C10182-030 - Head Gaskets M8 4.320" .030"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10183 - Lower Rocker Rubber M8 2Pk Oe#25700425

    Cometic - C10183 - Lower Rocker Rubber M8 2Pk Oe#25700425

    Cometic

    $26.45
    Cometic - C10183 - Lower Rocker Rubber M8 2Pk Oe#25700425FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $26.45
    Qty in Cart: 0
    Quantity:
    Price:
    $26.45
    Subtotal:
  • Cometic - C10189 - Breather Assembly O-Ring M8 Viton 10Pk Oe#11900116 Cometic - C10189 - Breather Assembly O-Ring M8 Viton 10Pk Oe#11900116

    Cometic - C10189 - Breather Assembly O-Ring M8 Viton 10Pk Oe#11900116

    Cometic

    $12.57
    Cometic - C10189 - Breather Assembly O-Ring M8 Viton 10Pk Oe#11900116FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $12.57
    Qty in Cart: 0
    Quantity:
    Price:
    $12.57
    Subtotal:
  • Cometic - C10190 - Map Sensor O-Ring M8 Viton 10Pk Oe#32700065 Cometic - C10190 - Map Sensor O-Ring M8 Viton 10Pk Oe#32700065

    Cometic - C10190 - Map Sensor O-Ring M8 Viton 10Pk Oe#32700065

    Cometic

    $12.57
    Cometic - C10190 - Map Sensor O-Ring M8 Viton 10Pk Oe#32700065FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $12.57
    Qty in Cart: 0
    Quantity:
    Price:
    $12.57
    Subtotal:
  • Cometic - C10192-HB - Head & Base Gaskets M8 4.320" .040"Hg .014"Bg Coolant Heads

    Cometic - C10192-HB - Head & Base Gaskets M8 4.320" .040"Hg .014"Bg Coolant Heads

    Cometic

    $79.36
    Cometic - C10192-HB - Head & Base Gaskets M8 4.320" .040"Hg .014"Bg Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $79.36
    Qty in Cart: 0
    Quantity:
    Price:
    $79.36
    Subtotal:
  • Cometic - C10193 - Head Gaskets M8 Pr 4.500" .040"Mls Pair Coolant Heads

    Cometic - C10193 - Head Gaskets M8 Pr 4.500" .040"Mls Pair Coolant Heads

    Cometic

    $59.50
    Cometic - C10193 - Head Gaskets M8 Pr 4.500" .040"Mls Pair Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $59.50
    Qty in Cart: 0
    Quantity:
    Price:
    $59.50
    Subtotal:
  • Cometic - C10193-HB-027-014 - Head & Base Gaskets M8 4.500" .027"Hg .014"Bg Coolant Heads

    Cometic - C10193-HB-027-014 - Head & Base Gaskets M8 4.500" .027"Hg .014"Bg Coolant Heads

    Cometic

    $79.36
    Cometic - C10193-HB-027-014 - Head & Base Gaskets M8 4.500" .027"Hg .014"Bg Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing...
    $79.36
    Qty in Cart: 0
    Quantity:
    Price:
    $79.36
    Subtotal:
  • Cometic - C10193-HB - Head & Base Gaskets M8 4.500" .040"Hg .014"Bg Coolant Heads

    Cometic - C10193-HB - Head & Base Gaskets M8 4.500" .040"Hg .014"Bg Coolant Heads

    Cometic

    $79.36
    Cometic - C10193-HB - Head & Base Gaskets M8 4.500" .040"Hg .014"Bg Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...
    $79.36
    Qty in Cart: 0
    Quantity:
    Price:
    $79.36
    Subtotal:
  • Cometic - C10194 - Base Gaskets M8 .014"Rc 4.320" Big Bore

    Cometic - C10194 - Base Gaskets M8 .014"Rc 4.320" Big Bore

    Cometic

    $31.55
    Cometic - C10194 - Base Gaskets M8 .014"Rc 4.320" Big BoreFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $31.55
    Qty in Cart: 0
    Quantity:
    Price:
    $31.55
    Subtotal:
  • Cometic - C10195 - Base Gaskets M8 .014"Rc 4.500" Big Bore

    Cometic - C10195 - Base Gaskets M8 .014"Rc 4.500" Big Bore

    Cometic

    $31.55
    Cometic - C10195 - Base Gaskets M8 .014"Rc 4.500" Big BoreFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $31.55
    Qty in Cart: 0
    Quantity:
    Price:
    $31.55
    Subtotal:
  • Cometic - C10202 - Valve Stem Seal M8 8Pk Oe#18100044 Cometic - C10202 - Valve Stem Seal M8 8Pk Oe#18100044

    Cometic - C10202 - Valve Stem Seal M8 8Pk Oe#18100044

    Cometic

    $26.19
    Cometic - C10202 - Valve Stem Seal M8 8Pk Oe#18100044FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $26.19
    Qty in Cart: 0
    Quantity:
    Price:
    $26.19
    Subtotal:
  • Cometic - C10208 - Case Plug O-Ring M8 Liquid Cooled 10Pk Oe#11900010 Cometic - C10208 - Case Plug O-Ring M8 Liquid Cooled 10Pk Oe#11900010

    Cometic - C10208 - Case Plug O-Ring M8 Liquid Cooled 10Pk Oe#11900010

    Cometic

    $14.88
    Cometic - C10208 - Case Plug O-Ring M8 Liquid Cooled 10Pk Oe#11900010FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...
    $14.88
    Qty in Cart: 0
    Quantity:
    Price:
    $14.88
    Subtotal:
  • Cometic - C10209 - Crank Seal M8 4Pk Oe#11000134

    Cometic - C10209 - Crank Seal M8 4Pk Oe#11000134

    Cometic

    $26.19
    Cometic - C10209 - Crank Seal M8 4Pk Oe#11000134FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...
    $26.19
    Qty in Cart: 0
    Quantity:
    Price:
    $26.19
    Subtotal:
  • Cometic - C10215 - Oil Pan Gasket M8 .032"Afm 1Pk Oe#25700452 Cometic - C10215 - Oil Pan Gasket M8 .032"Afm 1Pk Oe#25700452

    Cometic - C10215 - Oil Pan Gasket M8 .032"Afm 1Pk Oe#25700452

    Cometic

    $21.09
    Cometic - C10215 - Oil Pan Gasket M8 .032"Afm 1Pk Oe#25700452FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...
    $21.09
    Qty in Cart: 0
    Quantity:
    Price:
    $21.09
    Subtotal:
  • Cometic - C10217 - Top End Kit M8 3.937" 107Cu .040"H/G Oe#25700729 Cometic - C10217 - Top End Kit M8 3.937" 107Cu .040"H/G Oe#25700729

    Cometic - C10217 - Top End Kit M8 3.937" 107Cu .040"H/G Oe#25700729

    Cometic

    $238.10
    Cometic - C10217 - Top End Kit M8 3.937" 107Cu .040"H/G Oe#25700729FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...
    $238.10
    Qty in Cart: 0
    Quantity:
    Price:
    $238.10
    Subtotal:
  • Total: items /

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About Engine

 

Harley Engine Parts for Rebuilds and Performance

From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.

Shop Engine Parts

We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.

Not Sure It Fits?

Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.