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Engine - Heads & Parts

Explore heads + parts within the engine range, with products grouped for motorcycle servicing, repair and custom work. The collection draws together products used for engine components. For an accurate match, compare the product’s stated fitment and dimensions with your motorcycle or equipment.

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S&S Cycle Billet Head Breather for 2001-2002, 2004, 2006, 2008-2017 Harley-Davidson Cylinder Head Breather Blue Anodised 6061 Billet Aluminium Pair
£203.63 - £203.63
£203.63
£203.63 - £203.63
£203.63

S&S Cycle Billet Head Breather - 6061 Billet Aluminum, Pair - Blue Anodized for Harley-Davidson Touring, Softail, Dyna & Trike 2001-2017

In stock

DescriptionBillet Head Breather 6061 billet aluminium head breathers replace the OEM plastic parts Dual O-ring for a better seal in the head Unique...

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£203.63 - £203.63
£203.63
£203.63 - £203.63
£203.63
S&S Cycle Billet Head Breather for 2017-2025 Harley-Davidson Cylinder Head Breather Blue Anodised 6061 Billet Aluminium Pair
£271.52 - £271.52
£271.52
£271.52 - £271.52
£271.52

S&S Cycle Billet Head Breather - Pair, 6061 Billet Aluminum - Blue Anodized for Harley-Davidson Touring, Softail, Dyna & Trike 2017-2025

In stock

DescriptionBillet Head Breather 6061 billet aluminium head breathers replace the OEM plastic parts Dual O-ring for a better seal in the head Unique...

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£271.52 - £271.52
£271.52
£271.52 - £271.52
£271.52
S&S Cycle Compression Release Hole Plug Save 8% Save %
£25.94
£25.94 - £25.94
£25.94
£23.77
£23.77 - £23.77
£23.77

S&S Cycle Compression Release Hole Plug - Each - Aluminum

In stock

DescriptionCompression Release Hole Plug Not for use on OEM heads Made in the U.S.A. SpecificationsColour/Finish : AluminiumRiding Style : StreetPr...

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£25.94
£25.94 - £25.94
£25.94
£23.77
£23.77 - £23.77
£23.77
Save 8% Save %
S&S Cycle Electric Compression Release Kit Save 8% Save %
£497.43
£497.43 - £497.43
£497.43
£455.53
£455.53 - £455.53
£455.53

S&S Cycle Compression Release Kit - Electric

In stock

DescriptionCompression Release Kit Electric compression releases open when you press the start button and close when the button is released Manual ...

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£497.43
£497.43 - £497.43
£497.43
£455.53
£455.53 - £455.53
£455.53
Save 8% Save %
S&S Cycle 79 cc Super Stock® Cylinder Head Cylinder Head Kit Black Powder-Coated Aluminium Pair
£1,868.61 - £1,868.61
£1,868.61
£1,868.61 - £1,868.61
£1,868.61

S&S Cycle 79 Cc Super Stock® Cylinder Head - Aluminum, Pair for Harley-Davidson Touring, Softail & Dyna 1999-2006

In stock

Description79 cc Super Stock® Cylinder Head Heads are fully assembled with springs and valves Works great with 88" to 103" stock motors, but are id...

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£1,868.61 - £1,868.61
£1,868.61
£1,868.61 - £1,868.61
£1,868.61
S&S Cycle Valve Spring Shim Black Steel
£5.15 - £5.15
£5.15
£5.15 - £5.15
£5.15

S&S Cycle Valve Spring Shim - Steel, Each - Black

In stock

DescriptionValve Spring Shim .574" x 1.450" x .030" Black, steel construction Made in the USA Specifications Colour/Finish: Black Material: Steel...

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£5.15 - £5.15
£5.15
£5.15 - £5.15
£5.15
S&S Cycle Exhaust Port Stud Natural Steel
£6.79 - £6.79
£6.79
£6.79 - £6.79
£6.79

S&S Cycle Exhaust Port Stud - Steel, Each - Natural for Harley-Davidson Dyna 2026

In stock

DescriptionExhaust Port Stud Four required per engine, sold each Zinc-plated 5/16"-18, 5/16"-24 1.910" Made in the U.S.A. Specifications Colour/Fi...

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£6.79 - £6.79
£6.79
£6.79 - £6.79
£6.79
S&S Cycle Replacement Electric Compression Release Assembly Silver Kit
£200.91 - £200.91
£200.91
£200.91 - £200.91
£200.91

S&S Cycle Replacement Electric Compression Release Assembly - Kit - Silver for Harley-Davidson Touring, Softail, Dyna & Trike 1984-2017

In stock

DescriptionReplacement Electric Compression Release Assembly Electric compression releases open when you press the start button and close when the ...

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£200.91 - £200.91
£200.91
£200.91 - £200.91
£200.91
S&S Cycle Super Stock® Cylinder Head Kit Aluminium Rubber Band Intake Stock Compression
£1,972.66 - £1,972.66
£1,972.66
£1,972.66 - £1,972.66
£1,972.66

S&S Cycle Super Stock® Cylinder Head Kit - Rubber Band Intake, Stock Compression, Aluminum for Harley-Davidson Touring, Softail, Dyna & FXR 1979-1984

In stock

DescriptionSuper Stock® Cylinder Head Kit Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collar...

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£1,972.66 - £1,972.66
£1,972.66
£1,972.66 - £1,972.66
£1,972.66
S&S Cycle 89 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair
£1,806.81 - £1,806.81
£1,806.81
£1,806.81 - £1,806.81
£1,806.81

S&S Cycle 89 Cc Super Stock® Cylinder Heads - Aluminum, Pair - Powder-Coated / Wrinkle Black for Harley-Davidson Touring, Softail, Dyna & Trike 2003-2017

In stock

Description89 cc Super Stock® Cylinder Heads Heads are fully assembled with springs and valves Designed for '06-'16 engines with stock crankcase G...

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£1,806.81 - £1,806.81
£1,806.81
£1,806.81 - £1,806.81
£1,806.81
S&S Cycle 89 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Silver Aluminium Pair
£2,076.70 - £2,076.70
£2,076.70
£2,076.70 - £2,076.70
£2,076.70

S&S Cycle 89 Cc Super Stock® Cylinder Heads - Pair, Aluminum - Powder-Coated / Silver for Harley-Davidson Touring, Softail, Dyna & Trike 2003-2017

In stock

Description89 cc Super Stock® Cylinder Heads Heads are fully assembled with springs and valves Designed for '06-'16 engines with stock crankcase G...

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£2,076.70 - £2,076.70
£2,076.70
£2,076.70 - £2,076.70
£2,076.70
S&S Cycle 79 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair
£2,076.70 - £2,076.70
£2,076.70
£2,076.70 - £2,076.70
£2,076.70

S&S Cycle 79 Cc Super Stock® Cylinder Heads - Aluminum, Pair - Powder-Coated / Wrinkle Black for Harley-Davidson Touring, Softail, Dyna & Trike 2003-2017

In stock

Description79 cc Super Stock® Cylinder Heads Heads are fully assembled with springs and valves Designed for stock 88" to 103" engines or slightly m...

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£2,076.70 - £2,076.70
£2,076.70
£2,076.70 - £2,076.70
£2,076.70
S&S Cycle 79 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Silver Aluminium Pair
£2,076.70 - £2,076.70
£2,076.70
£2,076.70 - £2,076.70
£2,076.70

S&S Cycle 79 Cc Super Stock® Cylinder Heads - Aluminum, Pair - Powder-Coated / Silver for Harley-Davidson Touring, Softail, Dyna & Trike 2003-2017

Low stock

Description79 cc Super Stock® Cylinder Heads Heads are fully assembled with springs and valves Designed for stock 88" to 103" engines or slightly m...

View full details
£2,076.70 - £2,076.70
£2,076.70
£2,076.70 - £2,076.70
£2,076.70
S&S Cycle 79 cc Super Stock® Cylinder Head Cylinder Head Kit Powder-Coated Silver Aluminium Pair
£2,236.93 - £2,236.93
£2,236.93
£2,236.93 - £2,236.93
£2,236.93

S&S Cycle 79 Cc Super Stock® Cylinder Head - Aluminum, Pair - Powder-Coated / Silver for Harley-Davidson Touring, Softail & Dyna 1999-2006

Low stock

Description79 cc Super Stock® Cylinder Head Heads are fully assembled with springs and valves Works great with 88" to 103" stock motors, but are id...

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£2,236.93 - £2,236.93
£2,236.93
£2,236.93 - £2,236.93
£2,236.93
S&S Cycle 79 cc Super Stock® Cylinder Head Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair
£1,889.42 - £1,889.42
£1,889.42
£1,889.42 - £1,889.42
£1,889.42

S&S Cycle 79 Cc Super Stock® Cylinder Head - Pair, Aluminum - Powder-Coated / Wrinkle Black for Harley-Davidson Touring, Softail & Dyna 1999-2006

In stock

Description79 cc Super Stock® Cylinder Head Heads are fully assembled with springs and valves Works great with 88" to 103" stock motors, but are id...

View full details
£1,889.42 - £1,889.42
£1,889.42
£1,889.42 - £1,889.42
£1,889.42
S&S Cycle Super Stock® Cylinder Head Kit Aluminium O-Ring Intake Stock Compression
£1,719.92 - £1,719.92
£1,719.92
£1,719.92 - £1,719.92
£1,719.92

S&S Cycle Super Stock® Cylinder Head Kit - Stock Compression, O-Ring Intake, Aluminum for Harley-Davidson Touring & Softail 1966-1978

In stock

DescriptionSuper Stock® Cylinder Head Kit Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collar...

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£1,719.92 - £1,719.92
£1,719.92
£1,719.92 - £1,719.92
£1,719.92
S&S Cycle Super Stock® Cylinder Head Kit Aluminium O-Ring Intake Stock Compression
£1,560.58 - £1,560.58
£1,560.58
£1,560.58 - £1,560.58
£1,560.58

S&S Cycle Super Stock® Cylinder Head Kit - Aluminum, O-Ring Intake, Stock Compression for Harley-Davidson Touring & Softail 1966-1978

In stock

DescriptionSuper Stock® Cylinder Head Kit Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collar...

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£1,560.58 - £1,560.58
£1,560.58
£1,560.58 - £1,560.58
£1,560.58
S&S Cycle Super Stock® Cylinder Head Kit Aluminium O-Ring Intake High Compression
Sold out
£1,972.66 - £1,972.66
£1,972.66
£1,972.66 - £1,972.66
£1,972.66

S&S Cycle Super Stock® Cylinder Head Kit - O-Ring Intake, Aluminum, High Compression for Harley-Davidson Touring, Softail, Dyna & FXR 1979-1984

Out of stock

DescriptionSuper Stock® Cylinder Head Kit Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collar...

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£1,972.66 - £1,972.66
£1,972.66
£1,972.66 - £1,972.66
£1,972.66
Sold out
S&S Cycle Super Stock® Cylinder Head Kit Aluminium Rubber Band Intake Stock Compression
£1,793.70 - £1,793.70
£1,793.70
£1,793.70 - £1,793.70
£1,793.70

S&S Cycle Super Stock® Cylinder Head Kit - Stock Compression, Aluminum, Rubber Band Intake for Harley-Davidson Touring, Softail, Dyna & FXR 1979-1984

In stock

DescriptionSuper Stock® Cylinder Head Kit Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collar...

View full details
£1,793.70 - £1,793.70
£1,793.70
£1,793.70 - £1,793.70
£1,793.70
S&S Cycle Super Stock™ Cylinder Head Kit Black Powder-Coated Aluminium Pair
£1,629.39 - £1,629.39
£1,629.39
£1,629.39 - £1,629.39
£1,629.39

S&S Cycle Super Stock™ Cylinder Head Kit - Pair, Aluminum - Black / Powder-Coated for Harley-Davidson Touring, Softail, Dyna & FXR 1983-1999

Low stock

DescriptionSuper Stock™ Cylinder Head Kit S&S heads give great performance, and work with additional upgrades Compatible with stock 3-1/2" or 3...

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£1,629.39 - £1,629.39
£1,629.39
£1,629.39 - £1,629.39
£1,629.39
S&S Cycle 89 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair
£1,625.77 - £1,625.77
£1,625.77
£1,625.77 - £1,625.77
£1,625.77

S&S Cycle 89 Cc Super Stock® Cylinder Heads - Aluminum, Pair - Powder-Coated / Wrinkle Black for Harley-Davidson Touring, Softail & Dyna 1999-2006

In stock

Description89 cc Super Stock® Cylinder Heads Heads are fully assembled with springs and valves Designed for '99-'05 engines with stock crankcase Go...

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£1,625.77 - £1,625.77
£1,625.77
£1,625.77 - £1,625.77
£1,625.77
S&S Cycle 91 cc Super Stock® Cylinder Heads Cylinder Head Kit Powder-Coated Wrinkle Black Aluminium Pair
£1,868.61 - £1,868.61
£1,868.61
£1,868.61 - £1,868.61
£1,868.61

S&S Cycle 91 Cc Super Stock® Cylinder Heads - Pair, Aluminum - Powder-Coated / Wrinkle Black for Harley-Davidson Touring, Softail & Dyna 2007-2017

In stock

Description91 cc Super Stock® Cylinder Heads Designed specifically for S&S® T-Series T2 long block engines for Harley Davidson® big twins and e...

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£1,868.61 - £1,868.61
£1,868.61
£1,868.61 - £1,868.61
£1,868.61
£6.82 - £6.82
£6.82
£7.35
£7.35 - £7.35
£7.35

S&S Cycle NUT HFH 5/16" UNC Bullet Rocker Covers for Harley-Davidson Touring, Softail, Dyna & FXR 1966-1984

In stock

DescriptionReplacement Nut for Bullet Rocker Covers on Shovelhead EnginesFitment 1970-1977 Harley Davidson FL 1200 Electra Glide 1966-1969 Harley D...

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£6.82 - £6.82
£6.82
£7.35
£7.35 - £7.35
£7.35
S&S Cycle Replacement Silicone Solenoid Caps White Compression Release
£6.37 - £6.37
£6.37
£6.37 - £6.37
£6.37

S&S Cycle Replacement Silicone Solenoid Caps - Compression Release, Each - White for Harley-Davidson Touring, Softail, Dyna & Trike 1999-2017

In stock

DescriptionReplacement Silicone Solenoid Caps Replacement silicone solenoid caps for S&S electronic and manual compression release kits Made in...

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£6.37 - £6.37
£6.37
£6.37 - £6.37
£6.37

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