Engine

MCS Sprocket Shaft, 45" Flathead – 1929–1973 45" (750cc) Flathead Models OEM style replacement. Repl. 352-29 and 24000-29. Fitment 29-73 45" (750cc...

Gardner-Westcott Panhead Rocker Cover Screw Kit. Chrome Allen. Long – 1948–1965 Panhead Chrome plated. Custom allenhead (socket head) bolt set. Use...

MCS 84-99 Tappet Roller Repair Kit – 1984–1999 Evo Big Twin; 1986–1990 XL… Complete reproduction tappet rollers with needle bearings and axles. Rep...

MCS 52-85 XL Solid Tappet Assembly. Standard Size – 1957–1985 XL Sportster Complete with roller. OEM style reproduction lifter. Repl. 18508-52B. Fi...

MCS 3-5/8" Big Bore Shovel Cylinder Front, Black – 1966–1984 Shovel Stock 5.330" length. Crankcases must be bored to accept the larger diameter cyl...

MCS Replacement Cylinder 80" Shovelhead, Rear – 1979–1984 80" (1340cc) Shovel Black painted stock replacement cast iron cylinder. Stock 3-1/2" bore...

K&N Crankcase Breather Filter. Male 1/2" Connector – 1/2" Hose Chrome. Fits a 1/2" oil hose. Designed for use on the crankcase ventilation syst...

K&N Crankcase Breather Filter. Female 3/8" Connector – 3/8" Nipple Female rubber connector to fit a 3/8" nipple. Can be installed directly to t...

K&N Crankcase Breather Filter. Male 3/8" Connector – 3/8" Hoses Chrome. Fits a 3/8" oil hose (standard H-D oil hose). Designed for use on the c...

James Gaskets Jiffy Stand Bumper Pads – 1970–1986 4-Speed Big Twin; 1984–1988… Black rubber. Self adhesive bumper pads that prevents the side stand...

James Gaskets Oil Seal Transmission Mainshaft. Double Lip – 1941–1979 FL.; 71-E79 FX Metal OD. With inside and outside closed housing. Complete wit...

MCS Pinion Shaft, L83-86 B.T – L1983–1986 Big Twin Repl. 24006-83. Fitment L83-86 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS...

James Gaskets Oil Seal Sprocket Shaft/Transmission Mainshaft – Transmission Mainshaft: 1952–1956 K; KH… OEM replacement reference 35151-52A. Fitmen...

James Gaskets Shifter Shaft Oil Seal – 1952–1985 K; XL Sportster OEM replacement reference 34035-52. Fitment 52-85 K; XL Sportster (NU) Product Det...

MCS 53-84 Tappet Block, Front. Black – 1953–1965 Panhead; 1966–1984 Shovelhead Replacement for L76-84 Shovel (excl. L1982 models with special route...

James Gaskets Generator Bearing End Gasket – 1930–1964 FL; FLH; 80"/74"/45" OHV &… .020" thick paper. Bearing end. OEM replacement reference 31...

James Gaskets Oil Seal. Generator End Cap – 1952–1969 FL; 1958–1981 XL Sportster OEM replacement reference 30145-46A; 1637-46. Fitment 52-69 FL; 58...

James Gaskets Oil Pump End Cap O-rings – 1992–1999 Evo Big Twin 2 used. Fits between lower end cap and oil pump cover. OEM replacement reference 11...

James Gaskets Oil Seal Oil Pump Drive Shaft – L1958–1976 XL Sportster; 1968–1999 Big… 1 used. Fits OEM & S&S standard cast and billet oil p...

Gardner-Westcott Cam Cover Mount Kit. Acorn – 1936–1969 FL; 1932–1973 45" Flathead Gardner-Westcott, cam cover mount kit. Acorn Fitment 36-69 FL; 3...

MCS Thrust Washer Camshaft. .005" – 1954–1985 XL Sportster; 1937–1973 45"… Camshaft shim; used to achieve correct cam end-play. Fitment 54-85 XL Sp...

James Gaskets James Swingarm/Wheel Seal. Steel OD – Spoke or Cast Wheel Front: 1973–1983 FX… OEM replacement reference 47519-72 Fitment Spoke or ca...

James Gaskets Swingarm/Wheel Seal. Rubber OD – Laced Wheel Rear: 1973–1983 FL; FX; FXR… Rubber OD. OEM replacement reference 47519-58. Fitment Lace...

Belt Drives Ltd. Oil Seal for BDL TC Cam Cover – 1999–2017 Twin Cam with Gear Driven Cams… Replacement part for 515186 BDL cam cover for Twin Cam m...