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Pre-Evo – Engine & Gaskets

Explore the Pre-Evo – Engine & Gaskets range available from Hogparts for Harley-Davidson, American V-twin and compatible motorcycle applications. The collection draws together products used for engine components and gaskets, seals and service parts. The detailed product pages explain compatibility, specifications and what is included.

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James Gaskets Gasket Rocker Cover. Upper. RCM – 1999–2017 Twin Cam

Only 3 left!

James Gaskets Gasket Rocker Cover. Upper. RCM – 1999–2017 Twin Cam .020" RCM (Rubber Coated Metal) with silicone bead. OEM replacement reference 17...

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James Gaskets Gasket Lower Rocker Cover. RCM – 1999–2017 Twin Cam

Only 2 left!

James Gaskets Gasket Lower Rocker Cover. RCM – 1999–2017 Twin Cam .020" RCM (Rubber Coated metal) with silicone bead. 1-piece left/right gasket.; 2...

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£7.58
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James Gaskets O-ring Cam Support Plate Plug – 1999–2006 Twin Cam

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James Gaskets O-ring Cam Support Plate Plug – 1999–2006 Twin Cam Viton. OEM replacement reference 11298. Fitment 99-06 Twin Cam (Excl. 2006 Dyna) (...

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James Gaskets O-ring Cylinder Head & Base Stud. Viton – 1999–2003 Twin Cam (Cyl. Head)…

Only 3 left!

James Gaskets O-ring Cylinder Head & Base Stud. Viton – 1999–2003 Twin Cam (Cyl. Head)… Heat resistant rubber. Cylinder head 4 used. Cylinder b...

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James Gaskets O-ring Breather Baffle – 1999–2010 Twin Cam

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James Gaskets O-ring Breather Baffle – 1999–2010 Twin Cam 2 used. OEM replacement reference 11270. Fitment 99-10 Twin Cam (NU) Product Details Br...

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James Gaskets Motor Gasket & Seal Kit. XL883/1200 – 2004–2006 XL883/1200

Only 4 left!

James Gaskets Motor Gasket & Seal Kit. XL883/1200 – 2004–2006 XL883/1200 0.045" head gaskets for both 883cc and 1200cc engines; RCM (Rubber Coa...

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James Gaskets Motor Gasket & Seal Kit. XL 883/1200 – 1991–2003 XL883/1200

Only 3 left!

James Gaskets Motor Gasket & Seal Kit. XL 883/1200 – 1991–2003 XL883/1200 0.045" head gaskets for both 883cc and 1200cc engines; RCM (Rubber Co...

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James Gaskets Motor Gasket & Seal Kit. XL Sportster – 1986–1990 4-Speed XL883/1100/1200 Models

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James Gaskets Motor Gasket & Seal Kit. XL Sportster – 1986–1990 4-Speed XL883/1100/1200 Models 0.045" thick 883 and 1100/1200 head gaskets with...

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£157.69 - £157.69
£157.69
£161.26
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James Gaskets Carburetor Mount Kit. Keihin Butterfly – 1978–1989 Big Twin with Stock Butterfly…

Only 2 left!

James Gaskets Carburetor Mount Kit. Keihin Butterfly – 1978–1989 Big Twin with Stock Butterfly… Includes a manifold spacer with 1.810" (46mm) I.D. ...

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£28.84
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James Gaskets Rocker Box Washers. Steel with Bonded Rubber – 2009–2022 XL Sportster; 2008–2012 XR1200

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James Gaskets Rocker Box Washers. Steel with Bonded Rubber – 2009–2022 XL Sportster; 2008–2012 XR1200 OEM style rocker cover washers. Bonded sealin...

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James Gaskets Rocker Box Cover Seal Washer Kit. RCM – 1984–1999 Evo Big Twin; 1986–2008 XL…

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James Gaskets Rocker Box Cover Seal Washer Kit. RCM – 1984–1999 Evo Big Twin; 1986–2008 XL… RCM (Rubber Coated Metal). Rubber on steel rocker cover...

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James Gaskets Rocker Box Cover Seal Washer Kit. Copper – 1984–1999 Evo Big Twin; 1986–2008 XL…

Only 3 left!

James Gaskets Rocker Box Cover Seal Washer Kit. Copper – 1984–1999 Evo Big Twin; 1986–2008 XL… Copper material. Rocker covers seal washers. 8-piece...

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James Gaskets Rocker Box Cover Seal Washer Kit. Fiber – 1984–1999 Evo Big Twin; 1986–2008 XL…

Only 2 left!

James Gaskets Rocker Box Cover Seal Washer Kit. Fiber – 1984–1999 Evo Big Twin; 1986–2008 XL… Fiber material. Rocker covers seals. 8-piece kit for ...

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£27.52
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£27.14
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£27.14

James Gaskets Manifold Cap / MAP Sensor Plug Set. 40-Piece

Only 3 left!

James Gaskets Manifold Cap / MAP Sensor Plug Set. 40-Piece 40-piece set; containing 4 different plugs. Will solve most plugging needs. Includes 10 ...

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James Gaskets Cylinder Head Gasket Set. .045" Firering (Pr) – 1966–1984 Shovelhead

Only 3 left!

James Gaskets Cylinder Head Gasket Set. .045" Firering (Pr) – 1966–1984 Shovelhead .045" reinforced graphite with Firering and silicone bead. Fits ...

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James Gaskets Gasket Cylinder Head. .045" Paper – 1966–1984 Shovelhead

Only 3 left!

James Gaskets Gasket Cylinder Head. .045" Paper – 1966–1984 Shovelhead .045" blue PTFE coated fiber reinforced paper. Final crush .042". Fits both ...

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£46.36
£46.72
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James Gaskets Cylinder Head Gasket. .045" Paper/PTFE – 1957–1971 XL900

Only 2 left!

James Gaskets Cylinder Head Gasket. .045" Paper/PTFE – 1957–1971 XL900 .045" thick PTFE coated paper. Final crush .042". Standard 3.00" bore. OEM r...

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£59.01
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James Gaskets Cylinder Head Gasket Set. .045" Firering – 1948–1965 Panhead

Only 3 left!

James Gaskets Cylinder Head Gasket Set. .045" Firering – 1948–1965 Panhead .045" Fiber reinforced paper head gasket with Firering and silicone bead...

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£46.80 - £46.80
£46.80
£47.16
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James Gaskets Cylinder Head Gaskets .045" – 1948–1965 Panhead

Only 3 left!

James Gaskets Cylinder Head Gaskets .045" – 1948–1965 Panhead .045" PTFE coated fiber reinforced paper. Final crush .042". OEM replacement referenc...

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£48.24
£48.61
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James Gaskets Cylinder Head Gaskets .045" – 1936–1947 E; EL; F; FL Knucklehead

Only 2 left!

James Gaskets Cylinder Head Gaskets .045" – 1936–1947 E; EL; F; FL Knucklehead PTFE coated paper head gaskets. .045" ; final crush .042". OEM repla...

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£48.21 - £48.21
£48.21
£48.58
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£15.71
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James Gaskets Star Hub (3-Piece) – 1936–1966 Big Twin; Flatheads

Only 2 left!

James Gaskets Star Hub (3-Piece) – 1936–1966 Big Twin; Flatheads James gasket set, star hub (3-piece) Fitment 36-66 Big Twin; Flatheads (NU) Produc...

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£15.71
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£70.41
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James Gaskets Motor Gasket & Seal Kit. K Model – 1952–1956 K; KH Models Flatheads

Only 3 left!

James Gaskets Motor Gasket & Seal Kit. K Model – 1952–1956 K; KH Models Flatheads Kit includes all gaskets; seals and O-rings required for the ...

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£69.87 - £69.87
£69.87
£70.41
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James Gaskets Gasket Primary Cover. .062" Paper – 1965–1988 Big Twin

Only 3 left!

James Gaskets Gasket Primary Cover. .062" Paper – 1965–1988 Big Twin .062" fiber reinforced paper. 9-hole. OEM replacement reference 60538-81A. Not...

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£78.83
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£16.32
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£16.10
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James Gaskets Oil Pump Gasket & Seal Kit. Shovelhead – 1968–1980 Big Twin

Only 3 left!

James Gaskets Oil Pump Gasket & Seal Kit. Shovelhead – 1968–1980 Big Twin With Mylar gaskets. Complete overhaul kit for the oil pump. Fitment 6...

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