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Softail – Engine

Browse engine selected for Harley-Davidson Softail motorcycles. Available items span engine components, helping you compare parts intended for different jobs. Each product page provides the application and specification details needed to choose the right option.

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£126.83
£126.83 - £126.83
£126.83
£123.41
£123.41 - £123.41
£123.41

MCS Shovel Tappet Block Set Front/Rear. Black – 1953–1984 Big Twin. 53-E76 Big Twin…

Low stock

Description Black painted steel. Reproduction part. Will fit all 53-84 Big Twin models but earlier 53-E76 model OEM screws do not have the flat bas...

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£126.83
£126.83 - £126.83
£126.83
£123.41
£123.41 - £123.41
£123.41
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£150.44
£150.44 - £150.44
£150.44
£146.40
£146.40 - £146.40
£146.40

MCS Shovel Tappet Block Set Front/Rear. Chrome – 1953–1984 Big Twin. 53-E76 Big Twin…

Low stock

Description Chrome plated steel. Reproduction part. Will fit all 53-84 Big Twin models but earlier 53-E76 model OEM screws do not have the flat bas...

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£150.44
£150.44 - £150.44
£150.44
£146.40
£146.40 - £146.40
£146.40
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£91.83 - £91.83
£91.83
£95.05
£95.05 - £95.05
£95.05

Jims Oil Pump Drive Shaft, +.005" Od – 1970–1999 Big Twin

Low stock

Description ÿ Fitment 70-99 Big Twin (NU) (Excl. TC) Product Details Brand: Jims Category: MOTOR PARTS > OIL PUMPS DRIVE SHAFTS Unit: EA Pr...

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£91.83 - £91.83
£91.83
£95.05
£95.05 - £95.05
£95.05
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£174.01
£174.01 - £174.01
£174.01
£154.68
£154.68 - £154.68
£154.68

S&S Adj. Chromoly Pushrods with Solid Lifter Converters – 1966–1984 Shovelhead

Low stock

Description For Standard (5.330") cylinder length. Converts stock hydraulic lifters to solids. Includes 4 adjustable pushrods with 4 non-adjustable...

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£174.01
£174.01 - £174.01
£174.01
£154.68
£154.68 - £154.68
£154.68
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£151.47
£151.47 - £151.47
£151.47
£141.24
£141.24 - £141.24
£141.24

S&S Head Bolt Kit – All Evo Big Twin with S&S Heads…

Low stock

Description 113; 116; 124 engines Fitment All Evo Big Twin with S&S heads; 85-90 (NU) Evo Big Twin with OEM heads; 91-03 XL Sportster 89" 4 5/1...

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£151.47
£151.47 - £151.47
£151.47
£141.24
£141.24 - £141.24
£141.24
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£189.46 - £189.46
£189.46
£199.86
£199.86 - £199.86
£199.86

Jims L81-99 Crankpin Kit. Std – L1981–1999 Big Twin

Out of stock

Description Incl. nuts & key. Standard O.D. 1.2495". 3-hole oil design. This convenient precision kit includes a crankpin; two crankpin nuts an...

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£189.46 - £189.46
£189.46
£199.86
£199.86 - £199.86
£199.86
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Save 7% Save %
£151.47
£151.47 - £151.47
£151.47
£141.24
£141.24 - £141.24
£141.24

S&S Head Bolt Kit – 1991–2017 Big Twin; 1991–2003 XL…

Low stock

Description 100; 107; 79 retro; 103 Evo engines; 116/124 Twin Cam with OEM heads Fitment 91-17 Big Twin (Excl. 2017 M8); 91-03 XL Sportster with 5"...

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£151.47
£151.47 - £151.47
£151.47
£141.24
£141.24 - £141.24
£141.24
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£334.69 - £334.69
£334.69
£340.70
£340.70 - £340.70
£340.70

Kb Performance Piston 88" to 95" Twin Cam Piston Kit. Std – 1999–2006 88" Twin Cam

Low stock

Description 88" (3-3/4") to 95" (3-7/8") big bore conversion forged piston set. 9.25:1 CR with 85cc head. Piston weight 350gr. Piston pin weight 89...

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£334.69 - £334.69
£334.69
£340.70
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£340.70
£148.53 - £148.53
£148.53
£156.66
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£156.66

Jims 41-E84 Crankpin, 180 Degree. Std – 41-E81 Big Twin

Low stock

Description Standard O.D. 1.2490". 3-hole oil design on 180° for improved lubrication of the bearing diameter. Use JIMS 978251 crankpin nuts. Use J...

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£148.53 - £148.53
£148.53
£156.66
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£156.66
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£275.62 - £275.62
£275.62
£280.57
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£280.57

Kb Performance Piston 3-5/8 Big Bore Forged Piston Kit. Std – 1948–1984 Pan; Shovel. with 3-5/8 Big…

Out of stock

Description Forged 3-5/8 big bore piston set. Used with 3-5/8" big bore cylinders with 5.330" (stock) to 5.530" (+.200") length. Must use 4-1/4" (s...

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£275.62 - £275.62
£275.62
£280.57
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£280.57
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£334.69 - £334.69
£334.69
£340.70
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£340.70

Kb Performance Piston 96" to 103" Twin Cam Piston Kit. Std – 2007–2017 96" Twin Cam

Low stock

Description Forged piston set. For 96" (3-3/4") to 103" (3-7/8") big bore conversion. 9.5:1 CR with stock 85cc head. Piston weight 335gr. Piston pi...

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£334.69 - £334.69
£334.69
£340.70
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£340.70
£233.68 - £233.68
£233.68
£249.75
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£249.75

Kb Performance Piston 96" to 103" Big Bore Piston Set. Std – 2007–2017 Twin Cam

Low stock

Description For 96" to 103" (3 3/4" to 3 7/8") big bore conversions. Used with stock heads and cylinders. By boring the stock cylinders from 3-3/4"...

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£233.68 - £233.68
£233.68
£249.75
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£249.75
£319.16 - £319.16
£319.16
£324.89
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£324.89

Kb Performance Piston 88" to 95" Big Bore Piston Set. Std – 1999–2006 Twin Cam

Low stock

Description 88" to 95" big bore conversion. Used with stock heads and cylinders. By boring the stock cylinders from 3-3/4" to 3-7/8" big bore size ...

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£319.16 - £319.16
£319.16
£324.89
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£324.89
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£275.62 - £275.62
£275.62
£280.57
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£280.57

Kb Performance Piston 1340 Shovel Forged Piston Kit. Std – 1979–1984 1340cc Shovel

Out of stock

Description Forged piston set. 9.0:1 CR with 112cc head. Piston weight 416gr. Piston pin weight 97gr. Piston pin dia. .791" / offset. Head type: Do...

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£275.62 - £275.62
£275.62
£280.57
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£280.57
Sold out
Sold out
£311.07 - £311.07
£311.07
£316.66
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£316.66

Kb Performance Piston 1340 Evo B.t. Forged Piston Kit. Std – 1984–1999 Evo Big Twin

Out of stock

Description Forged piston set. 9.5:1 CR with 80cc head. Piston weight 365gr. Piston pin weight 97gr. Piston pin dia. .792" / offset. Head type: Dom...

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£311.07 - £311.07
£311.07
£316.66
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£316.66
Sold out
£306.46 - £306.46
£306.46
£311.93
£311.93 - £311.93
£311.93

Kb Performance Piston 3-5/8" Big Bore Piston Kit. +.010" – 1948–1984 Big Twin with 3-5/8 Big Bore…

Low stock

Description 3-5/8" big bore piston set. Used with 3 5/8" big bore cylinders with 5.330" (stock) to 5.530" (+.200") length. Use with 4-1/4" stock st...

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£306.46 - £306.46
£306.46
£311.93
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£311.93
£306.43 - £306.43
£306.43
£311.93
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£311.93

Kb Performance Piston 88" to 95" Big Bore Piston Set. +.010" – 1999–2006 Twin Cam a/B

Low stock

Description 88" to 95" big bore conversion kit. Used with stock heads and cylinders; 3-3/4" bore and 4.938" long cylinders. By boring the stock cyl...

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£306.43 - £306.43
£306.43
£311.93
£311.93 - £311.93
£311.93
£306.43 - £306.43
£306.43
£311.93
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£311.93

Kb Performance Piston 88" to 95" Big Bore Piston Set. Std – 1999–2006 Twin Cam a/B

Low stock

Description 88" to 95" big bore conversion kit. Used with stock heads and cylinders; 3-3/4" bore and 4.938" long cylinders. By boring the stock cyl...

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£306.43 - £306.43
£306.43
£311.93
£311.93 - £311.93
£311.93
£255.33 - £255.33
£255.33
£259.90
£259.90 - £259.90
£259.90

Kb Performance Piston 1340cc Evo B.t. Pop-Up Piston Kit. Std – 1984–1999 Evo Big Twin

Low stock

Description Pop-up high compression. 9.5:1 CR. Piston weight 392gr. Piston pin weight 97gr. Head type: Dome. Dome -9cc. Compression height 1.375". ...

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£255.33 - £255.33
£255.33
£259.90
£259.90 - £259.90
£259.90
£306.43 - £306.43
£306.43
£311.93
£311.93 - £311.93
£311.93

Kb Performance Piston 3-5/8" Big Bore Piston Kit. Std – 1948–1984 Big Twin with 3-5/8 Big Bore…

Low stock

Description 3-5/8" big bore piston set. Used with 3 5/8" big bore cylinders with 5.330" (stock) to 5.530" (+.200") length. Use with 4-1/4" stock st...

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£306.43 - £306.43
£306.43
£311.93
£311.93 - £311.93
£311.93
£242.17 - £242.17
£242.17
£246.51
£246.51 - £246.51
£246.51

Kb Performance Piston 1340cc Evo B.t. Piston Kit. Std – 1984–1999 Evo Big Twin

Low stock

Description 8.5:1 CR. Piston weight 350gr. Piston pin weight 97gr. Head type: Flat top. Dome +1.5cc. Compression height 1.375". Bore 3.4980". Strok...

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£242.17 - £242.17
£242.17
£246.51
£246.51 - £246.51
£246.51
£242.17 - £242.17
£242.17
£246.51
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£246.51

Kb Performance Piston 1340cc Evo B.t. Piston Kit. +.005" – 1984–1999 Evo Big Twin

Low stock

Description 8.5:1 CR. Piston weight 350gr. Piston pin weight 97gr. Head type: Flat top. Dome +1.5cc. Compression height 1.375". Bore 3.4980". Strok...

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£242.17 - £242.17
£242.17
£246.51
£246.51 - £246.51
£246.51
£255.33 - £255.33
£255.33
£259.90
£259.90 - £259.90
£259.90

Kb Performance Piston 1340cc Shovel Piston Kit. Std – 1979–1984 1340cc Shovel

Low stock

Description 8.0:1 CR. Piston weight 357gr. Piston pin weight 97gr. Head type: Dome 0.426" / Dome -30cc. Compression height 1.285". / Bore 3.4980". ...

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£255.33 - £255.33
£255.33
£259.90
£259.90 - £259.90
£259.90
£255.33 - £255.33
£255.33
£259.90
£259.90 - £259.90
£259.90

Kb Performance Piston 1340cc Evo B.t. Pop-Up Piston Kit. Std – 1984–1999 Evo Big Twin

Low stock

Description Pop-up high compression. 10.5:1 CR. Piston weight 360gr. Piston pin weight 97gr. Head type: Dome 0.200". Dome -18cc. Compression height...

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£255.33 - £255.33
£255.33
£259.90
£259.90 - £259.90
£259.90

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