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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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£12.16 - £12.16
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£12.16 - £12.16
£12.16

MCS Nut, Motor Sprocket – L1970–1990 Big Twin

In stock

Description For compensating sprocket Fitment L70-90 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS > SPROCKET SHAFTS NUTS U...

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£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16
£6.07 - £6.07
£6.07
£6.07 - £6.07
£6.07

MCS Oil Tank Fill Plug. Chrome – Most Stock H-D and Custom Oil Tanks with…

In stock

Description Classic replacement. Push-in style filler plug / oil tank cap; without dipstick. Fits 3.02cm (1-3/16") diameter hole; so most stock H-D...

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£6.07 - £6.07
£6.07
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£6.07
£12.16 - £12.16
£12.16
£12.16 - £12.16
£12.16

MCS Steel Breather Valve Spacers .120" – 50-E77 Big Twin

Low stock

Description Use with steel breather valves only. Small hole. Used to set correct end play. Note: Steel breathers require steel breather valve space...

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£12.16 - £12.16
£12.16
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£50.48 - £50.48
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£50.48

MCS Blue Lightning Air Filter Element – 1988–2022 XL Sportster with OEM…

Low stock

Description Economically priced but high-end quality and offering superior flow; longer service intervals; better flame resistance and will last mu...

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£50.48 - £50.48
£50.48
£50.48 - £50.48
£50.48
£15.04 - £15.04
£15.04
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£15.04

MCS Clear-View Fuel Filter, 1/4" Id. Chrome – Universal

Low stock

Description For 1/4" ID (6.35mm) fuel lines. One of the most universally used fuel filters. Equipped with a glass lens that will; unlike plastics; ...

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£15.04 - £15.04
£15.04
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£15.04
£13.84 - £13.84
£13.84
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£13.84

MCS Triple Hose Separator. Chrome – Universal

Low stock

Description Used to route 5/16" and 3/8" fuel and oil hoses. Eyelet inside diameter 1.5cm. Fitment Universal Product Details Brand: MCS Category...

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£13.84 - £13.84
£13.84
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£13.84
£52.39 - £52.39
£52.39
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£52.39

MCS XL Sportster Air Cleaner Cover. Chrome, Smooth – 1988–2003 XL Sportster

Low stock

Description OEM style replacement for models equipped with the stock oval air cleaner cover. Fitment 88-03 XL Sportster (NU) Product Details Bran...

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£52.39 - £52.39
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£36.67 - £36.67
£36.67
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£36.67

MCS Breather Style Air Cleaner Assembly, Oval. Chrome – 1966–1988 Big Twin; 1966–1987 XL…

Low stock

Description Classic steel mesh air cleaner for that authentic high performance look. Dimensions approx.: 7" (17.8cm) wide x 4-1/2" (11.5cm) high x ...

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£36.67 - £36.67
£36.67
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£36.67
£4.30 - £4.30
£4.30
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£4.30

MCS Manifold Adapter Rings. O-Ring to Band – 66-E78 Big Twin; 1957–1978 XL Sportster

Low stock

Description The pre-1978 early manifold; is sealed with o-rings between cylinder head and manifold. This kit includes adapter rings that allows you...

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£4.30 - £4.30
£4.30
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£4.30
£29.38 - £29.38
£29.38
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MCS Keyless Push Button Fuel Door Release. Chrome – 2008–2024 Touring; 2009–2026 Trikes.…

Low stock

Description Chrome. Replaces the stock key-operated 61029-92A fuel door lock with a keyless operated push-open button mechanism. Keys are no longer...

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£29.38
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£25.18 - £25.18
£25.18
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£25.18

MCS 2" Quiet Drag Pipe Baffle 10.5" Long – Universal

Low stock

Description Baffle; 10.5" (26.7 cm) long and with 1.85" (4.7 cm) outside diameter; made from zinc plated steel. Covered with sound deadening fiberg...

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£25.18
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£25.18
£8.25 - £8.25
£8.25
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£8.25

MCS Petcock Adapter Nut, 3/8 Npt to 22 mm Tanks – Fits 75-Up Tanks with 22 mm External…

Low stock

Description For 3/8" threaded petcock to 74-up 22mm external threaded tank Fitment Fits 75-up tanks with 22mm external threads Product Details Br...

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£8.25 - £8.25
£8.25
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£8.25
£10.02 - £10.02
£10.02
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£10.02

MCS Oil Pump Drive Shaft – 1970–1999 Big Twin

Low stock

Description Oil pump drive shaft Fitment 70-99 Big Twin (NU) (Excl. TC) Product Details Brand: MCS Category: MOTOR PARTS > OIL PUMPS DRIVE SH...

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£10.02
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£10.02
£55.48 - £55.48
£55.48
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£55.48

MCS 99-Up Tappet Assembly. Standard Size – 1999–2017 Twin Cam; 2017–2026 M8…

Low stock

Description Complete with roller. OEM style replacement lifter. OEM replacement reference 18538-99C Fitment 99-17 (NU) Twin Cam; 17-26 M8; 00-22 (N...

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£55.48 - £55.48
£55.48
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£55.48
£18.84 - £18.84
£18.84
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£18.84

S&S Adapter for Screw-On Oil Filter – 1985–1999 Evo Big Twin; 1999–2017 Dyna…

Low stock

Description Oil filter stud. 1 used; between filter bracket & filter. For use in stock and custom applications where screw-on type filters are ...

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£18.84 - £18.84
£18.84
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£18.84
£10.59 - £10.59
£10.59
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£10.59

MCS Oil Screen Kit, Crankcase. 70-80 B.t – 1970–1980 Shovelhead

Low stock

Description Kit comes complete with tappet oil screen; spring and a crankcase plug and a crankcase plug o-ring. Fitment 70-80 Shovelhead (NU) Produ...

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£10.59 - £10.59
£10.59
£10.59 - £10.59
£10.59
Sold out
£31.17 - £31.17
£31.17
£31.17 - £31.17
£31.17

MCS Intake Clamps Heavy Duty, Brass – L1978–1984 Big Twin; 1979–1985 XL…

Out of stock

Description Intake clamps Heavy Duty, brass Fitment L78-84 Big Twin; 79-85 XL Sportster (NU) (band style) Product Details Brand: MCS Category: I...

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£31.17 - £31.17
£31.17
£31.17 - £31.17
£31.17
Sold out
£33.44 - £33.44
£33.44
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£33.44

MCS Gas Cap, Pop-Up Non-Vented – 1996–1999 H-D

Low stock

Description Black wrinkle finish; non-vented; left side; left hand threaded; 60mm Outside Diameter Fitment 96-99 H-D (NU) Product Details Brand: ...

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£33.44 - £33.44
£33.44
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£33.44
£111.54 - £111.54
£111.54
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£111.54

MCS Braided Hose 3/8" (10 mm). Stainless Clear

Low stock

Description Braided hose with classic stainless steel. For universal fuel and oil hose applications. Given size is the inside diameter of the hose....

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£111.54 - £111.54
£111.54
£111.54 - £111.54
£111.54
Vance & Hines Bracket for 2018-2024 Harley-Davidson Exhaust Bracket Stainless Steel #1143-P
£23.88 - £23.88
£23.88
£23.88 - £23.88
£23.88

Vance & Hines Bracket for 2018-2024 Harley-Davidson Exhaust Bracket Stainless Steel #1143-P

Low stock

DescriptionBracketVANCE + HINES REPLACEMENT PARTS FOR EXHAUSTSFitment 2018-2020 Harley-Davidson FLDE 1750 ABS Softail Deluxe 107 2023-2024 Harley-D...

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£23.88 - £23.88
£23.88
£23.88 - £23.88
£23.88
K & N Replacement High-Flow Air Filter Black Red
£69.81 - £69.81
£69.81
£69.81 - £69.81
£69.81

K & N Replacement High-flow Air Filter - Each - Black / Red

In stock

DescriptionReplacement High-Flow Air Filter Pleated media provides a large filtration area offering long service intervals Multi-layers of woven co...

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£69.81 - £69.81
£69.81
£69.81 - £69.81
£69.81
James Gasket Carburetor-to-Intake Manifold Seal
£11.36 - £11.36
£11.36
£11.36 - £11.36
£11.36

James Gasket Carburetor-to-intake Manifold Seal - Each for Harley-Davidson Touring, Softail, Sportster & Dyna 1989-2014

In stock

DescriptionCarburetor-to-Intake Manifold SealCarburetor-to-Intake Manifold Seal for Harley Davidson modelsSpecifications Application: Carburetor| ...

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£11.36 - £11.36
£11.36
£11.36 - £11.36
£11.36
Vance & Hines 450 Torquer Slip-Ons NON-PCX in Black For 2017-2024 Touring Models
Save 15% Save %
£814.07
£814.07 - £814.07
£814.07
£694.56
£694.56 - £694.56
£694.56

Vance & Hines Torquer 450 Slip-on Mufflers - Pair - Black for Harley-Davidson Touring 2017-2026

In stock

DescriptionTorquer 450 Slip-On Mufflers Cutting-edge design that enhances the M-Eight engine with a rich, bold roar and improved performance Massiv...

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£814.07
£814.07 - £814.07
£814.07
£694.56
£694.56 - £694.56
£694.56
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S&S Super E Master Rebuild Kit For S&S Super E Carburetors
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£116.59
£116.59 - £116.59
£116.59
£106.77
£106.77 - £106.77
£106.77

S&S Cycle Master Carburetor Rebuild Kit - Brass / Rubber, Super E - Black / Gold / Gray / Silver

In stock

DescriptionMaster Rebuild KitContains a body rebuild kit, accelerator pump rebuild kit, all new fasteners, springs, idle mixture screw, seat and ne...

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£116.59
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£116.59
£106.77
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£106.77
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