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Dyna – Engine & Gaskets

Browse engine & gaskets selected for Harley-Davidson Dyna motorcycles. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. Confirm model coverage, key measurements and any supporting parts required on the individual listing.

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£36.96
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Kibblewhite KPMI, Valve Key Set. For OEM Top Collars – 1936–1947 Knucklehead; 1948–1965…

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Kibblewhite KPMI, Valve Key Set. For OEM Top Collars – 1936–1947 Knucklehead; 1948–1965… Fits OEM 15° angled top collars. Includes 4 pairs of valve...

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£34.71
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Kibblewhite KPMI, Valve Key Set. For OEM Top Collars – 1957–1985 XL Sportster; 1937–1948…

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Kibblewhite KPMI, Valve Key Set. For OEM Top Collars – 1957–1985 XL Sportster; 1937–1948… Fits OEM & KPMI 15° angled top collars and OEM 5/16" ...

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£56.80
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Kibblewhite Kpmi, Sportster Valve Spring Set – 57-E83 XL Sportster

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Kibblewhite Kpmi, Sportster Valve Spring Set – 57-E83 XL Sportster Stock replacement; use 524463 top collar & valve key set Fitment 57-E83 XL S...

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£53.34
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£138.63
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£138.63
£131.99
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Kibblewhite KPMI, Valve Spring Kit. .415" Lift. Steel Top Collars – 1936–1947 Knucklehead

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Kibblewhite KPMI, Valve Spring Kit. .415" Lift. Steel Top Collars – 1936–1947 Knucklehead Reduces total valve train mass. Great for OEM rebuilds wi...

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£138.63
£131.99
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£131.99
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£36.96
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£34.71
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Kibblewhite KPMI, Valve Key Set. For KPMI 15° Angled Top Collars – 1984–2004 Big Twin; 1983–2003 XL…

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Kibblewhite KPMI, Valve Key Set. For KPMI 15° Angled Top Collars – 1984–2004 Big Twin; 1983–2003 XL… Specialty item. Fits Kibblewhite Precision Mac...

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£156.43
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£156.43
£148.93
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£148.93

Kibblewhite KPMI, Valve Spring Kit. .460" Lift. Steel Top Collars – 1936–1947 Knucklehead

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Kibblewhite KPMI, Valve Spring Kit. .460" Lift. Steel Top Collars – 1936–1947 Knucklehead Reduces total valve train mass. Great for racing high lif...

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£156.43
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£156.43
£148.93
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£148.93
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£42.53
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£39.94
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£39.94

Kibblewhite KPMI, Valve Stem Seal Installation Tool. Set – 1948–2004 Big Twin; 1958–2003 XL…

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Kibblewhite KPMI, Valve Stem Seal Installation Tool. Set – 1948–2004 Big Twin; 1958–2003 XL… Set of 4 valve stem seal drivers. Includes 524089 blac...

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£39.94
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£688.00
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£591.67
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Jims 53-84 Billet Tappet Blocks. Polished – 1953–1984 Big Twin

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Jims 53-84 Billet Tappet Blocks. Polished – 1953–1984 Big Twin Polished billet aluminum. With optimized pushrod cover angles for a perfect seal. Ma...

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£591.67
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£804.99
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£692.28
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Jims ''Flow Pro 1'' Billet Oil Pump Kit. Black – 1992–1999 Evo Big Twin

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Jims ''Flow Pro 1'' Billet Oil Pump Kit. Black – 1992–1999 Evo Big Twin With bottom feed & return oil lines. CNC machined from billet 6061-T651...

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£804.99
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£804.99
£692.28
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Jims ''Flow Pro 1'' Billet Oil Pump Kit. Black – 1973–1991 Big Twin

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Jims ''Flow Pro 1'' Billet Oil Pump Kit. Black – 1973–1991 Big Twin With top feed & return oil lines. CNC machined from billet 6061-T651 alumin...

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£804.99
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£804.99
£692.28
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£692.28
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£791.18
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£791.18
£680.40
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£680.40

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1992–1999 Evo Big Twin

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Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1992–1999 Evo Big Twin With top feed & return oil lines. CNC machined from billet 6061-T651...

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£791.18
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£680.40
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£680.40
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£791.18
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£680.40
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£680.40

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1973–1991 Big Twin

Only 2 left!

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1973–1991 Big Twin With bottom feed & return oil lines. CNC machined from billet 6061-T651 ...

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£791.18
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£791.18
£680.40
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£680.40
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£791.18
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£791.18
£680.40
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£680.40

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1992–1999 Evo Big Twin

Only 2 left!

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1992–1999 Evo Big Twin With bottom feed & return oil lines. CNC machined from billet 6061-T...

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£791.18
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£791.18
£680.40
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£680.40
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£791.18
£791.18 - £791.18
£791.18
£680.40
£680.40 - £680.40
£680.40

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1973–1991 Big Twin

Out of stock

Jims ''Flow Pro 1'' Billet Oil Pump Kit. Polished – 1973–1991 Big Twin With top feed & return oil lines. CNC machined from billet 6061-T651 alu...

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£791.18
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£791.18
£680.40
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£680.40
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£23.68
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£23.68
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MCS Flywheel Thrust Washer Set, Steel (0.060" Thick) – 1929–1973 45" Flathead

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MCS Flywheel Thrust Washer Set, Steel (0.060" Thick) – 1929–1973 45" Flathead For use with steel retainers; fits between connecting rods and flywhe...

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£23.68
£22.54
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£1,654.83
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£1,654.83

Belt Drives Ltd. Bdl Billet Motor Plate Kit – 1986–2006 5-Speed Softail

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Belt Drives Ltd. Bdl Billet Motor Plate Kit – 1986–2006 5-Speed Softail Massive one piece C.N.C. machined billet aluminum motor plate. Comes comple...

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£1,654.83
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£1,575.44
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Belt Drives Ltd. Bdl Billet Motor Plate Kit – 1970–1978 4-Speed Shovel with Ratchet…

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Belt Drives Ltd. Bdl Billet Motor Plate Kit – 1970–1978 4-Speed Shovel with Ratchet… Massive one piece C.N.C. machined billet aluminum motor plate....

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£1,506.37
£1,575.44
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£738.47
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£625.80
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£625.80

Paughco Rocker Covers. Custom Style Aluminum. Polished – 1948–1965 Panhead

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Paughco Rocker Covers. Custom Style Aluminum. Polished – 1948–1965 Panhead Polished forged billet aluminum. Custom semi-ribbed style. Repl. 17500-4...

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£738.47
£625.80
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£625.80
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£738.47
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£738.47
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£625.80

Paughco Rocker Covers. Custom Style Aluminum. Chrome – 1948–1965 Panhead

Out of stock

Paughco Rocker Covers. Custom Style Aluminum. Chrome – 1948–1965 Panhead Polished forged billet aluminum. Custom semi-ribbed style. Repl. 17500-48....

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£738.47
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£738.47
£625.80
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£294.92
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£255.91
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Paughco Rocker Covers. Ribbed Style Steel. Chrome – 1948–1965 PANHEAD

Out of stock

Paughco Rocker Covers. Ribbed Style Steel. Chrome – 1948–1965 PANHEAD Chrome plated steel. Custom ribbed style. Repl. 17500-48. Fitment 48-65 PANHE...

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£294.92
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£255.91
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£137.20
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Jims Pinion Shaft Bushing. Std Size – 1979–1992 Big Twin

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Jims Pinion Shaft Bushing. Std Size – 1979–1992 Big Twin Without locking detents. Steel. In crankcase. Standard O.D. size is 2.1270". Fitment 79-92...

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£137.20
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£137.20
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£137.20
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Jims Pinion Shaft Bushing. Std Size – 1958–1978 Big Twin

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Jims Pinion Shaft Bushing. Std Size – 1958–1978 Big Twin With locking detents. Steel. In crankcase. Standard O.D.size is 2.1270". Fitment 58-78 Big...

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£137.20
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£135.28
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£167.85
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Jims Pinion Shaft Bushing. Std Size – 1940–1948 74" & 80" Flatheads

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Jims Pinion Shaft Bushing. Std Size – 1940–1948 74" & 80" Flatheads Steel. In crankcase 2.0015" OD. Fitment 40-48 74" & 80" Flatheads (NU) ...

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£58.06
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Jims Pinion Shaft Bushing. +.005" – 1954–1992 Big Twin

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Jims Pinion Shaft Bushing. +.005" – 1954–1992 Big Twin Bronze. O.D. 1.0040". JIMS bushings have a drilled (54-72 B.T.) and a slotted (73-92 B.T.) h...

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