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Pre-Evo – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Pre-Evolution classic models.

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MCS Sprocket Shaft Bearing Spacer Shim .098" – 1977–2003 XL Sportster

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MCS Sprocket Shaft Bearing Spacer Shim .098" – 1977–2003 XL Sportster Used to correct pre-load on the sprocket shaft bearing. Note: See 965410 for ...

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MCS Sprocket Shaft Bearing Spacer Shim .100" – 1977–2003 XL Sportster

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .100" – 1977–2003 XL Sportster Used to correct pre-load on the sprocket shaft bearing. Note: See 965410 for ...

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£18.18
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£17.29
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£17.29

MCS Sprocket Shaft Bearing Spacer Shim .120" – 1969–2002 Big Twin; Twin Cam B

Only 3 left!

MCS Sprocket Shaft Bearing Spacer Shim .120" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£18.18
£17.29
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£17.29
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£20.02
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£20.02
£19.07
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .114" – 1969–2002 Big Twin; Twin Cam B

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MCS Sprocket Shaft Bearing Spacer Shim .114" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£19.07
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£19.07
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£19.07
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .112" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .112" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
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£20.02
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .110" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .110" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
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£20.02
£19.07
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£19.07
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£20.02
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£19.07
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£19.07

MCS Sprocket Shaft Bearing Spacer Shim .108" – 1969–2002 Big Twin; Twin Cam B

Only 3 left!

MCS Sprocket Shaft Bearing Spacer Shim .108" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£20.02
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£20.02
£19.07
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£19.07
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£18.18
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£17.31
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£17.31

MCS Sprocket Shaft Bearing Spacer Shim .106" – 1969–2002 Big Twin; Twin Cam B

Only 2 left!

MCS Sprocket Shaft Bearing Spacer Shim .106" – 1969–2002 Big Twin; Twin Cam B Used to set correct pre-load onto sprocket shaft bearings. Approx. di...

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£18.18
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£18.18
£17.31
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£17.31
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£350.16 - £350.16
£350.16
£358.08
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£358.08

EMD Ribster Rocker Cover Set. Semi-polished – 1984–1999 Evo Big Twin

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EMD Ribster Rocker Cover Set. Semi-polished – 1984–1999 Evo Big Twin Vintage semi-polished finish. Sold in pairs for one engine. Direct replacement...

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£350.16 - £350.16
£350.16
£358.08
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£358.08
£369.09 - £369.09
£369.09
£377.44
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£377.44

EMD Sportster Ribster Rocker Cover Set. Semi-Polished – 2004–2022 XL Sportster

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EMD Sportster Ribster Rocker Cover Set. Semi-Polished – 2004–2022 XL Sportster Vintage semi-polished finish. Sold in pairs for one engine. Direct r...

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£369.09 - £369.09
£369.09
£377.44
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£377.44
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£338.70 - £338.70
£338.70
£346.36
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£346.36

EMD Twin Cam Snatch Rocker Cover Set. Black Cut – 1999–2017 Twin Cam

Out of stock

EMD Twin Cam Snatch Rocker Cover Set. Black Cut – 1999–2017 Twin Cam Black Cut finish. Sold in pairs for one engine. Direct replacement for the OEM...

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£338.70 - £338.70
£338.70
£346.36
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£346.36
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£276.89
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£276.89
£240.27
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£240.27

Jims Twin Cam Handcrafted Tappet Cover Set. Raw Finish – 1999–2017 Twin Cam

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Jims Twin Cam Handcrafted Tappet Cover Set. Raw Finish – 1999–2017 Twin Cam Raw cut and hand-welded for a tough handcrafted look. Repl. 17964-99 (f...

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£276.89
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£276.89
£240.27
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£240.27
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£331.47
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£331.47
£283.14
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£283.14

Jims Twin Cam Billet Tappet Cover Set. Chrome – 1999–2017 Twin Cam

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Jims Twin Cam Billet Tappet Cover Set. Chrome – 1999–2017 Twin Cam Chrome plated finish. CNC machined from billet 6061-T6 aluminum with a precision...

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£331.47
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£331.47
£283.14
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£283.14
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£1,180.01
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£1,180.01
£1,014.79
£1,014.79 - £1,014.79
£1,014.79

Jims Powerglide Tappet & Pushrod Kit. Chrome – 1966–1984 Shovelhead

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Jims Powerglide Tappet & Pushrod Kit. Chrome – 1966–1984 Shovelhead Comes with 4 Powerglide big axle tappets that offer superior modern hydraul...

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£1,180.01
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£1,180.01
£1,014.79
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£1,014.79
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£1,164.17
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£1,001.17
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£1,001.17

Jims Tappet Block and Powerglide Tappet Kit. Polished – 1953–1965 Panhead; 1966–1984 Shovelhead

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Jims Tappet Block and Powerglide Tappet Kit. Polished – 1953–1965 Panhead; 1966–1984 Shovelhead This kit has a 3/8" lower seat for the pushrods; re...

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£1,164.17
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£1,164.17
£1,001.17
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£1,001.17
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£683.90
£683.90 - £683.90
£683.90
£588.15
£588.15 - £588.15
£588.15

Jims 84-99 Billet Tappet Block Set. Polished – 1984–1999 Evo Big Twin

Out of stock

Jims 84-99 Billet Tappet Block Set. Polished – 1984–1999 Evo Big Twin Manufactured from billet 7075-T651 aluminum. Can be used as a stock replaceme...

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£683.90
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£683.90
£588.15
£588.15 - £588.15
£588.15
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£43.18
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£43.18
£42.57
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£42.57

Jims Steel Breather Valve Spacers .150" – L1977–1999 Big Twin

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Jims Steel Breather Valve Spacers .150" – L1977–1999 Big Twin Use with steel breather valves only. Large hole. Used to set correct end play. Note: ...

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£43.18
£42.57
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£42.57
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£43.18
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£43.18
£42.57
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£42.57

Jims Steel Breather Valve Spacers .135" – L1977–1999 Big Twin

Only 2 left!

Jims Steel Breather Valve Spacers .135" – L1977–1999 Big Twin Use with steel breather valves only. Large hole. Used to set correct end play. Note: ...

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£43.18
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£43.18
£42.57
£42.57 - £42.57
£42.57
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£43.18
£43.18 - £43.18
£43.18
£42.57
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£42.57

Jims Steel Breather Valve Spacers .110" – L1977–1999 Big Twin

Only 2 left!

Jims Steel Breather Valve Spacers .110" – L1977–1999 Big Twin Use with steel breather valves only. Large hole. Used to set correct end play. Note: ...

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£43.18
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£43.18
£42.57
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£42.57
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£203.79 - £203.79
£203.79
£205.35
£205.35 - £205.35
£205.35

Arlen Ness 10-Gauge Tappet Block Cover Kit. Black – 1999–2017 Twin Cam; S&S T-series Engines

Out of stock

Arlen Ness 10-Gauge Tappet Block Cover Kit. Black – 1999–2017 Twin Cam; S&S T-series Engines Gloss Black Contrast Machined anodized armor coati...

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£203.79 - £203.79
£203.79
£205.35
£205.35 - £205.35
£205.35
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£234.37 - £234.37
£234.37
£236.17
£236.17 - £236.17
£236.17

Arlen Ness TC 10-Gauge Pushrod Cover Set. Black – 1999–2017 Twin Cam

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Arlen Ness TC 10-Gauge Pushrod Cover Set. Black – 1999–2017 Twin Cam Gloss black contrast machined anodized finish. CNC machined 6061-T6 billet alu...

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£234.37 - £234.37
£234.37
£236.17
£236.17 - £236.17
£236.17
£66.83 - £66.83
£66.83
£67.34
£67.34 - £67.34
£67.34

Riverside Custom Head Bolt Cover Kit. Chrome Aluminum – L1985–2017 Big Twin; 1986–2022 XL…

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Riverside Custom Head Bolt Cover Kit. Chrome Aluminum – L1985–2017 Big Twin; 1986–2022 XL… Chrome plated machined aluminum construction. Fits over ...

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£66.83 - £66.83
£66.83
£67.34
£67.34 - £67.34
£67.34
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£346.03
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£346.03
£295.59
£295.59 - £295.59
£295.59

MCS Replacement 80" Flathead Piston Kit. Std – 1937–1941 80" (1300cc) 3-7/16" Bore…

Only 3 left!

MCS Replacement 80" Flathead Piston Kit. Std – 1937–1941 80" (1300cc) 3-7/16" Bore… Cast aluminum pistons for a stock 1300cc Side Valve rebuild. Pi...

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£346.03
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£346.03
£295.59
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£295.59
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£45.44
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£45.44
£43.27
£43.27 - £43.27
£43.27

Hastings 2-3/4" Bore Piston Ring Set. +.020" – 1950–1973 45" (750cc) Flathead; All…

Only 2 left!

Hastings 2-3/4" Bore Piston Ring Set. +.020" – 1950–1973 45" (750cc) Flathead; All… Used with late style 1950-1973 type pistons with 1/16" gray iro...

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£45.44
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£45.44
£43.27
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£43.27
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