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Browse this smaller range of Dyna – Engine & Gaskets. Check exact model-year fitment and specifications on each product page.

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Original price £1,164.17 - Original price £1,164.17
Original price £1,164.17
£1,195.52
£1,195.52 - £1,195.52
Current price £1,195.52

JIMS Tappet Block and Powerglide Tappet Kit. Polished for 1953-1965 Panhead; 1966-1984 Shovelhead - 1029-53B

Currently Unavailable

Description This kit has a 3/8" lower seat for the pushrods; reducing the pushrod to tappet angle. Includes a set of two 7075-T651 polished billet ...

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Original price £1,164.17 - Original price £1,164.17
Original price £1,164.17
£1,195.52
£1,195.52 - £1,195.52
Current price £1,195.52
Sold out
Original price £683.90 - Original price £683.90
Original price £683.90
£734.00
£734.00 - £734.00
Current price £734.00

JIMS 84-99 Billet Tappet Block Set. Polished for Harley-Davidson 1984-1999 Evo Big Twin - 1094

Currently Unavailable

Description Manufactured from billet 7075-T651 aluminum. Can be used as a stock replacement and with valve lifts up to .655" (at the valve). OEM ro...

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Original price £683.90 - Original price £683.90
Original price £683.90
£734.00
£734.00 - £734.00
Current price £734.00
Sold out
Original price £1,333.15 - Original price £1,333.15
Original price £1,333.15
£1,369.05
£1,369.05 - £1,369.05
Current price £1,369.05

JIMS Tappet Block and Powerglide Tappet Kit. Chrome for 1953-1965 Panhead; 1966-1984 Shovelhead - 1029-53C

Currently Unavailable

Description This kit has a 3/8" lower seat for the pushrods; reducing the pushrod to tappet angle. Includes a set of two 7075-T651 chrome plated bi...

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Original price £1,333.15 - Original price £1,333.15
Original price £1,333.15
£1,369.05
£1,369.05 - £1,369.05
Current price £1,369.05
Sold out
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .150" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2513

Available

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

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Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .145" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2512

Available

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

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Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .140" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2511

Available

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

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Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .135" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2510

Available

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

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Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .130" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2509

Available

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

View full details
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .125" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2508

Available

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

View full details
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .115" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2506

Available

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

View full details
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78

JIMS Steel Breather Valve Spacers .110" for Harley-Davidson Late 1977-1999 Big Twin (Excl. Twin Cam) - 2505

Available

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

View full details
Original price £43.18 - Original price £43.18
Original price £43.18
£44.78
£44.78 - £44.78
Current price £44.78
Original price £29.96 - Original price £29.96
Original price £29.96
£31.05
£31.05 - £31.05
Current price £31.05

JIMS Relief Valve Oil Pump for Harley-Davidson Late 1982-2017 Twin Cam; Late 2017-2025 M8; 2008-2012 XR1200 (Excl. Other Sportster) - 26400-82

Available

Description Fits OEM oil pumps; S&S (HVHP) oil pumps & S&S Twin Cam oil pump. OEM replacement reference 26400-82B Fitment L82-17 Twin C...

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Original price £29.96 - Original price £29.96
Original price £29.96
£31.05
£31.05 - £31.05
Current price £31.05
Original price £5.19
Original price £5.19 - Original price £5.19
Original price £5.19
Current price £5.02
£5.02 - £5.02
Current price £5.02

JIMS Spring, Oil Pump Check Valve for Harley-Davidson 1981-1999 Big Twin (Excl. Twin Cam) - 26262-80

Available

Description OEM replacement reference 26262-80. Fitment81-99 Big Twin (Excl. Twin Cam) (NU)Product Details Brand: Jims Category: Motor parts >...

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Original price £5.19
Original price £5.19 - Original price £5.19
Original price £5.19
Current price £5.02
£5.02 - £5.02
Current price £5.02
Save 3% Save %
Original price £7.68
Original price £7.68 - Original price £7.68
Original price £7.68
Current price £7.42
£7.42 - £7.42
Current price £7.42

JIMS Spring Oil Pump Relief Valve for Harley-Davidson 1973-1999 Big Twin(Excl. TC) - 26207-83

Available

Description Jims, spring oil pump relief valve Fitment73-99 Big Twin (NU) (Excl. TC)Product Details Brand: Jims Category: Motor parts > Oil pu...

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Original price £7.68
Original price £7.68 - Original price £7.68
Original price £7.68
Current price £7.42
£7.42 - £7.42
Current price £7.42
Save 3% Save %
Original price £15.00
Original price £15.00 - Original price £15.00
Original price £15.00
Current price £14.52
£14.52 - £14.52
Current price £14.52

JIMS Pinion Gear Spacer for Harley-Davidson 1954-1989 Big Twin - 24703-54B

Currently Unavailable

Description JIMS, pinion gear spacer Fitment54-89 Big Twin (NU)Product Details Brand: Jims Category: Motor parts > Pinion gears Unit: EA Pro...

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Original price £15.00
Original price £15.00 - Original price £15.00
Original price £15.00
Current price £14.52
£14.52 - £14.52
Current price £14.52
Sold out
Original price £200.37 - Original price £200.37
Original price £200.37
£207.36
£207.36 - £207.36
Current price £207.36

JIMS 87-99 B.T. Connecting Rod Roller & Retainer Kit for Harley-Davidson 1987-1999 Evo Big Twin - 3999

Available

Description With steel cages. No oversize rollers available; use oversize crankpins. Note: 87-99 style connecting rod roller & retainer kits (3...

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Original price £200.37 - Original price £200.37
Original price £200.37
£207.36
£207.36 - £207.36
Current price £207.36
Original price £113.01 - Original price £113.01
Original price £113.01
£116.95
£116.95 - £116.95
Current price £116.95

JIMS Rocker Arm Shaft for Shovel for 1966-1984 Shovelhead - 17611-66B

Available

Description OEM style replacement. Manufactured from precision machined tool steel. Dimensions: Standard O.D. on big end is .937"; smaller end is ....

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Original price £113.01 - Original price £113.01
Original price £113.01
£116.95
£116.95 - £116.95
Current price £116.95
Original price £44.03 - Original price £44.03
Original price £44.03
£53.80
£53.80 - £53.80
Current price £53.80

JIMS Rocker Arm Shaft 84-Up for Harley-Davidson 1984-1999 Evo Big Twin; 1999-2017 Twin Cam; 1986-2022 XL Sportster; 2008-2012 XR1200; 1991-2010 Buell XB - 17611-83

Available

Description OEM style replacement. Manufactured from precision machined hardened tool steel. Dimensions: .554" standard O.D. Repl. 17611-83. Fitmen...

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Original price £44.03 - Original price £44.03
Original price £44.03
£53.80
£53.80 - £53.80
Current price £53.80
Original price £91.83 - Original price £91.83
Original price £91.83
£95.05
£95.05 - £95.05
Current price £95.05

Jims Oil Pump Drive Shaft, +.005" Od for Harley-Davidson 1970-1999 Big Twin(Excl. TC) - 1719

Available

Description ÿ Fitment70-99 Big Twin (NU) (Excl. TC)Product Details Brand: Jims Category: Motor parts > Oil pumps drive shafts Unit: EA Produ...

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Original price £91.83 - Original price £91.83
Original price £91.83
£95.05
£95.05 - £95.05
Current price £95.05
Original price £45.11 - Original price £45.11
Original price £45.11
£46.69
£46.69 - £46.69
Current price £46.69

JIMS Oil Pump Drive Shaft for Harley-Davidson 1970-1999 Big Twin(Excl. TC) - 26346-69/70

Available

Description Jims, oil pump drive shaft Fitment70-99 Big Twin (NU) (Excl. TC)Product Details Brand: Jims Category: Motor parts > Oil pumps driv...

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Original price £45.11 - Original price £45.11
Original price £45.11
£46.69
£46.69 - £46.69
Current price £46.69
Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40

JIMS Feed Gear, Driven. Oil Pump for Harley-Davidson 1968-1999 Big Twin(Excl. TC) - 26328-74

Available

Description Jims, feed gear, driven. oil pump Fitment68-99 Big Twin (NU) (Excl. TC)Product Details Brand: Jims Category: Motor parts > Oil pum...

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Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40
Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40

Jims Oil Pump Gear, Idle for Harley-Davidson Late 1962-1999 Big Twin(Excl. TC) - 26326-62A

Currently Unavailable

Description L62-67 Big Twin return gear; idle & 68-99 Big Twin feed gear; idle FitmentL62-99 Big Twin (NU) (Excl. TC)Product Details Brand: Ji...

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Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40
Sold out
Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40

JIMS Return Gear, Driven. Oil Pump for Harley-Davidson 1968-1999 Big Twin - 26315-68A

Available

Description Jims, return gear, driven. oil pump Fitment68-99 Big Twin (NU)Product Details Brand: Jims Category: Motor parts > Oil pumps gears ...

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Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40
Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40

JIMS Return Gear, Idle. Oil Pump for Harley-Davidson 1968-1999 Big Twin(Excl. TC) - 26317-68A

Available

Description Jims, return gear, idle. oil pump Fitment68-99 Big Twin (NU) (Excl. TC)Product Details Brand: Jims Category: Motor parts > Oil pum...

View full details
Original price £59.32 - Original price £59.32
Original price £59.32
£61.40
£61.40 - £61.40
Current price £61.40

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