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Dyna – Engine & Gaskets

Browse engine & gaskets selected for Harley-Davidson Dyna motorcycles. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. Confirm model coverage, key measurements and any supporting parts required on the individual listing.

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£53.97
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£49.06
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£49.06

Colony 40-99 Upper Pushrod Cover Kit. Chrome – 1940–1947 74" Knucklehead; 1966–1984…

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Colony 40-99 Upper Pushrod Cover Kit. Chrome – 1940–1947 74" Knucklehead; 1966–1984… Standard 3-5/16" length. Chrome plated steel OEM style reprodu...

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£53.97
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£53.97
£49.06
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£49.06
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£63.36
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£63.36
£58.00
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£58.00

Colony 99-Up Lower Pushrod Cover Set – 1999–2017 Twin Cam; 2017–2025 M8

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Colony 99-Up Lower Pushrod Cover Set – 1999–2017 Twin Cam; 2017–2025 M8 Chrome plated OEM style reproduction set. Includes rubber seals. Fitment 99...

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£63.36
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£63.36
£58.00
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£58.00
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£66.96
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£61.30
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£61.30

Colony L79-84 Lower Pushrod Cover Kit. Chrome – L1979–1984 Shovelhead

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Colony L79-84 Lower Pushrod Cover Kit. Chrome – L1979–1984 Shovelhead Chrome plated OEM style reproduction set. Includes rubber seals that will rep...

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£66.96
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£66.96
£61.30
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£61.30
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£95.12
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£95.12
£85.81
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£85.81

Colony XL Ribbed Lower Pushrod Cover Set. Chrome – 57-E79 XL Sportster

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Colony XL Ribbed Lower Pushrod Cover Set. Chrome – 57-E79 XL Sportster Chrome plated steel; custom ribbed; lower pushrod covers. Fits models with c...

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£95.12
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£95.12
£85.81
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£85.81
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£68.05
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£68.05
£62.29
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£62.29

Colony Crankcase Bolt Kit – 1940–1948 74/80" SV

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Colony Crankcase Bolt Kit – 1940–1948 74/80" SV Chrome acorn Fitment 40-48 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR PARTS &g...

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£68.05
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£68.05
£62.29
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£62.29
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£68.05
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£62.29
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£62.29

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV

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Colony Crankcase Bolt Kit – 1936–1939 74/80" SV Chrome acorn Fitment 36-39 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR PARTS &g...

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£68.05
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£68.05
£62.29
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£62.29
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£62.36
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£62.36
£57.07
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£57.07

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV

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Colony Crankcase Bolt Kit – 1936–1939 74/80" SV Chrome; stock style Fitment 36-39 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR P...

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£62.36
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£62.36
£57.07
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£57.07
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£30.03
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£30.03
£29.67
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£29.67

Colony Crankcase Bolt Kit – 1977–1990 XL Sportster

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Colony Crankcase Bolt Kit – 1977–1990 XL Sportster Chrome allen Fitment 77-90 XL Sportster (NU) Product Details Brand: Colony Category: MOTOR PA...

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£30.03
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£30.03
£29.67
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£29.67
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£22.69
£26.14
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£26.14

Colony Crankcase Bolt Kit – 1999–2017 Twin Cam A/B

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Colony Crankcase Bolt Kit – 1999–2017 Twin Cam A/B Polished chrome; Allen Fitment 99-17 Twin Cam A/B (NU) Product Details Brand: Colony Category...

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£22.69 - £22.69
£22.69
£26.14
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£26.14
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£42.16
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£42.16
£41.64
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£41.64

Colony Crankcase Bolt Kit – 1996–1999 Evo Big Twin

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Colony Crankcase Bolt Kit – 1996–1999 Evo Big Twin Zinc; flanged nut Fitment 96-99 Evo Big Twin (NU) Product Details Brand: Colony Category: MOT...

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£42.16
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£42.16
£41.64
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£41.64
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£68.05
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£68.05
£62.29
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£62.29

Colony Crankcase Bolt Kit – 1948–1964 PANHEAD

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Colony Crankcase Bolt Kit – 1948–1964 PANHEAD Acorn; chrome Fitment 48-64 PANHEAD (NU) Product Details Brand: Colony Category: MOTOR PARTS > ...

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£68.05
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£68.05
£62.29
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£62.29
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£68.05
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£68.05
£62.29
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£62.29

Colony Crankcase Bolt Kit – 1940–1947 KNUCKLE

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Colony Crankcase Bolt Kit – 1940–1947 KNUCKLE Chrome acorn Fitment 40-47 KNUCKLE (NU) Product Details Brand: Colony Category: MOTOR PARTS > C...

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£68.05
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£68.05
£62.29
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£62.29
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£68.05
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£68.05
£62.29
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£62.29

Colony Crankcase Bolt Kit – 1936–1939 Knucklehead

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Colony Crankcase Bolt Kit – 1936–1939 Knucklehead Acorn; chrome Fitment 36-39 Knucklehead (NU) Product Details Brand: Colony Category: MOTOR PAR...

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£68.05
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£68.05
£62.29
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£62.29
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£19.11 - £19.11
£19.11
£22.01
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£22.01

Colony Knuckle Rocker Box Bolt Kit. Black – 1936–1947 Knucklehead

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Colony Knuckle Rocker Box Bolt Kit. Black – 1936–1947 Knucklehead Black parkerized. OEM style reproduction. Hex bolts; machined from a solid steel ...

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£19.11 - £19.11
£19.11
£22.01
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£24.60
£28.36
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£28.36

Colony Knuckle Rocker Box Bolt Kit. Chrome – 1936–1947 Knucklehead

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Colony Knuckle Rocker Box Bolt Kit. Chrome – 1936–1947 Knucklehead Chrome. OEM style reproduction. Hex bolts; machined from a solid steel bar; like...

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£24.60 - £24.60
£24.60
£28.36
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£28.36
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£27.51
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£27.51
£27.17
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£27.17

Colony Cam Cover Mount Kit, OEM Style – 1937–1973 45" SV

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Colony Cam Cover Mount Kit, OEM Style – 1937–1973 45" SV Black parkerized Fitment 37-73 45" SV (NU) Product Details Brand: Colony Category: MOTO...

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£27.51
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£27.51
£27.17
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£27.17
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£27.60
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£27.60

Colony Cam Cover Mount Kit, OEM Style – 1954–1970 XL Sportster

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Colony Cam Cover Mount Kit, OEM Style – 1954–1970 XL Sportster Chrome Fitment 54-70 XL Sportster (NU) Product Details Brand: Colony Category: MO...

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£23.96 - £23.96
£23.96
£27.60
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£23.18
£26.71
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£26.71

Colony Cam Cover Mount Kit, OEM Style. Black Parkerized – 1936–1969 Big Twin

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Colony Cam Cover Mount Kit, OEM Style. Black Parkerized – 1936–1969 Big Twin For use with 1/4-20 threaded aftermarket cases Fitment 36-69 Big Twin ...

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£23.18 - £23.18
£23.18
£26.71
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£23.18
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Colony Cam Cover Mount Kit, OEM Style – 1936–1969 Big Twin

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Colony Cam Cover Mount Kit, OEM Style – 1936–1969 Big Twin Parkerized; stock style slotted head Fitment 36-69 Big Twin (NU) Product Details Brand...

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£23.18 - £23.18
£23.18
£26.71
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£26.71
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£29.00
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£29.00
£28.65
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£28.65

Colony Cam Cover Mount Kit, OEM Style – 1936–1969 Big Twin

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Colony Cam Cover Mount Kit, OEM Style – 1936–1969 Big Twin Chrome; stock style slotted head Fitment 36-69 Big Twin (NU) Product Details Brand: Co...

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£29.00
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£29.00
£28.65
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£28.65
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£15.64 - £15.64
£15.64
£18.01
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£18.01

Colony Tappet Block Mount Kit. OEM Style, Black – L1976–1984 Shovelhead; 1984–1999 Evo Big…

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Colony Tappet Block Mount Kit. OEM Style, Black – L1976–1984 Shovelhead; 1984–1999 Evo Big… 1/4"-20 threaded. OEM reproduction tappet guide hardwar...

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£15.64 - £15.64
£15.64
£18.01
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£18.01
£7.11 - £7.11
£7.11
£7.69
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£7.69

Colony Tappet Block Mount Kit. OEM Style, Chrome – 1957–1985 XL Sportster

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Colony Tappet Block Mount Kit. OEM Style, Chrome – 1957–1985 XL Sportster 5/16-18 threaded. OEM reproduction tappet guide hardware of the hex head ...

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£7.11 - £7.11
£7.11
£7.69
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£26.37 - £26.37
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£30.39
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£30.39

Colony Tappet Block Mount Kit. Cap Style, Chrome – 36-E76 Big Twin. With L1976–1984 Style…

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Colony Tappet Block Mount Kit. Cap Style, Chrome – 36-E76 Big Twin. With L1976–1984 Style… Conversion kit. 1/4-24 threaded bolts. Used to fit L76-8...

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£26.37 - £26.37
£26.37
£30.39
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£30.39
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£23.24 - £23.24
£23.24
£26.77
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£26.77

Colony Tappet Block Mount Kit. Cap Style, Chrome – 36-E76 Big Twin

Out of stock

Colony Tappet Block Mount Kit. Cap Style, Chrome – 36-E76 Big Twin 1/4-20 threaded bolts. Fitment 36-E76 Big Twin (Excl. Flathead Big Twin) (NU) Pr...

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£23.24 - £23.24
£23.24
£26.77
£26.77 - £26.77
£26.77
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