Primary & DrivetrainPrimary & Drivetrain
Primary & Drivetrain


Paughco Hardware kit with cotter pin for chain guard to oil tank.  Bolts through inner primary (OEM 60640-29)
Paughco Hardware kit with cotter pin for chain guard to oil tank. Bolts through inner primary (OEM 60640-29)
$9.95
Paughco HD replacement for 1936–1954 4-speed Big Twins (OEM 60620-36)
Paughco HD replacement for 1936–1954 4-speed Big Twins (OEM 60620-36)
$94.95
Paughco HD replacement for 1936–1964 45" models  (OEM 60621-41)
Paughco HD replacement for 1936–1964 45" models (OEM 60621-41)
$55.95
Paughco HD replacement for 1955–1964 4-speed Big Twins (OEM 60620-55)
Paughco HD replacement for 1955–1964 4-speed Big Twins (OEM 60620-55)
$94.95
Paughco Custom inner cover to replace aluminum inner on 1965–1969 kickstart models ONLY (cover is approxi-mately 3/16" deeper than Paughco #753E where it bolts to the case)
Paughco Custom inner cover to replace aluminum inner on 1965–1969 kickstart models ONLY (cover is approxi-mately 3/16" deeper than Paughco #753E where it bolts to the case)
$94.95
Paughco For the ‘Old School’ look on 1970–early 1984 engines when no electric start is used. Some spacing may be required between motor and inner primary. Takes the place of aluminum inner primary. For rigid frame use, but may also be used on swingarm
Paughco For the ‘Old School’ look on 1970–early 1984 engines when no electric start is used. Some spacing may be required between motor and inner primary. Takes the place of aluminum inner primary. For rigid frame use, but may also be used on swingarm
$109.95
Paughco Screws to mount inner and outer primaries together (10-32 x 5/8") pack of 10
Paughco Screws to mount inner and outer primaries together (10-32 x 5/8") pack of 10
$8.95
Paughco   Locktab for attaching inner primary to the transmission on 1970–1984 Big Twins (pack of 10)
Paughco Locktab for attaching inner primary to the transmission on 1970–1984 Big Twins (pack of 10)
$3.95
Paughco Outer Primary Covers For 1936–1954 4-speed Big Twins without compensating sprockets (OEM 60505-36)
Paughco Outer Primary Covers For 1936–1954 4-speed Big Twins without compensating sprockets (OEM 60505-36)
$123.95
Paughco Outer Primary Covers For 1955–1964 4-speed Big Twins with compensating sprockets.  Also fits 1936–1954 models if a Paughco #752 inner primary cover  is used (OEM 60505-55)
Paughco Outer Primary Covers For 1955–1964 4-speed Big Twins with compensating sprockets. Also fits 1936–1954 models if a Paughco #752 inner primary cover is used (OEM 60505-55)
$123.95
Paughco Smooth custom cover for 1936–1964 Big Twins with or without a com-
Paughco Smooth custom cover for 1936–1964 Big Twins with or without a com-
$129.95
Paughco Steel Outer Primary Covers For 4-speed with kickstart & forward controls 65-69
Paughco Steel Outer Primary Covers For 4-speed with kickstart & forward controls 65-69
$199.95
Paughco Steel Outer Primary Covers For 4-speed with electric start & forward controls 65-69
Paughco Steel Outer Primary Covers For 4-speed with electric start & forward controls 65-69
$199.95
Paughco Steel Outer Primary Covers Fits Mid-Shift 4-speed with kickstart 1970-1984
Paughco Steel Outer Primary Covers Fits Mid-Shift 4-speed with kickstart 1970-1984
$199.95
Paughco Steel Outer Primary Covers For mid-shift 4-speed with electric start 1970-1984
Paughco Steel Outer Primary Covers For mid-shift 4-speed with electric start 1970-1984
$199.95
Paughco Steel Outer Primary Covers For 4-speed with electric start and forward controls 1970-1984
Paughco Steel Outer Primary Covers For 4-speed with electric start and forward controls 1970-1984
$199.95
Paughco Steel Outer Primary Covers For wet clutch 4-speed with electric start and forward control 1984-1986
Paughco Steel Outer Primary Covers For wet clutch 4-speed with electric start and forward control 1984-1986
$199.95
Paughco Steel Outer Primary Covers For wet clutch 5-speed with electric start and forward control 1986-1988
Paughco Steel Outer Primary Covers For wet clutch 5-speed with electric start and forward control 1986-1988
$199.95
Paughco Steel Outer Primary Covers For all 1965–1984 Big Twins with 4-speed transmission and rear chain drives (except 1983–1984 FL)
Paughco Steel Outer Primary Covers For all 1965–1984 Big Twins with 4-speed transmission and rear chain drives (except 1983–1984 FL)
$10.95
Paughco Smooth cover (OEM 60569-29)
Paughco Smooth cover (OEM 60569-29)
$8.95
Paughco Outer Primary And Inspection Covers  For Paughco #’s 761 and 762 Outer Primary Covers (includes gasket and screws)
Paughco Outer Primary And Inspection Covers For Paughco #’s 761 and 762 Outer Primary Covers (includes gasket and screws)
$14.95
Paughco Diamond style for 1958–1969 XLCH
Paughco Diamond style for 1958–1969 XLCH
$112.95
Paughco Smooth for 1958–1969 XLCH (OEM 34949-64)
Paughco Smooth for 1958–1969 XLCH (OEM 34949-64)
$112.95
Paughco Super smooth for 1958–1969 XLCH
Paughco Super smooth for 1958–1969 XLCH
$112.95
Paughco Custom style for 45" two or three wheelers with kickstart ONLY
Paughco Custom style for 45" two or three wheelers with kickstart ONLY
$112.95
Paughco Stock style for 45" two or three wheelers with kickstart (derby cover attached to primary and two inspection holes) OEM 60504-32
Paughco Stock style for 45" two or three wheelers with kickstart (derby cover attached to primary and two inspection holes) OEM 60504-32
$127.95
Paughco Replacement for 1936–1954 4-speed Big Twins (OEM 60620-36)
Paughco Replacement for 1936–1954 4-speed Big Twins (OEM 60620-36)
$97.95
Paughco Replacement for 1936–1964 45" models (OEM 60621-41)
Paughco Replacement for 1936–1964 45" models (OEM 60621-41)
$57.95
Paughco Replacement for 1955–1964 4-speed Big Twins (OEM 60420-55B)
Paughco Replacement for 1955–1964 4-speed Big Twins (OEM 60420-55B)
$97.95
Paughco Custom inner cover to replace aluminum inner on 1965–1969 kickstart  models ONLY (cover is approximately 3/16" deeper than Paughco #B753E where it bolts to the case)
Paughco Custom inner cover to replace aluminum inner on 1965–1969 kickstart models ONLY (cover is approximately 3/16" deeper than Paughco #B753E where it bolts to the case)
$97.95
Paughco For the ‘old school’ look on 1970–early 1984 engines when no electric start  is used. Some spacing may be required between motor and inner primary. Takes the place of aluminum inner primary. For rigid frame use, but may  also be used on swingarm
Paughco For the ‘old school’ look on 1970–early 1984 engines when no electric start is used. Some spacing may be required between motor and inner primary. Takes the place of aluminum inner primary. For rigid frame use, but may also be used on swingarm
$112.95
Paughco Smooth cover (OEM 60557-36) with gloss black finish
Paughco Smooth cover (OEM 60557-36) with gloss black finish
$19.95
Paughco Dimpled cover (OEM 60573-36)   with gloss black finish
Paughco Dimpled cover (OEM 60573-36) with gloss black finish
$9.95
Paughco Smooth cover (OEM 60569-29)  with gloss black finish
Paughco Smooth cover (OEM 60569-29) with gloss black finish
$9.95
Paughco Black Derby, Inspection And Outer Primary Covers for 1936–1954 4-speed Big Twins without compen- sating sprockets (OEM 60505-36)
Paughco Black Derby, Inspection And Outer Primary Covers for 1936–1954 4-speed Big Twins without compen- sating sprockets (OEM 60505-36)
$131.95
Paughco Black Derby, Inspection And Outer Primary Covers for 1955–1964 4-speed Big Twins with compensating sprockets. Black Derby, Inspection And Outer Primary Covers for 1936–1954 models if a Paughco #B752 inner primary cover is used (OEM 60505-55)
Paughco Black Derby, Inspection And Outer Primary Covers for 1955–1964 4-speed Big Twins with compensating sprockets. Black Derby, Inspection And Outer Primary Covers for 1936–1954 models if a Paughco #B752 inner primary cover is used (OEM 60505-55)
$131.95
Paughco Custom style for 45" two or three wheelers with kick-start
Paughco Custom style for 45" two or three wheelers with kick-start
$118.95
Paughco Stock style for 45" two or three wheelers with kick- start (derby cover attached to primary and two in- spection holes) OEM 60504-32
Paughco Stock style for 45" two or three wheelers with kick- start (derby cover attached to primary and two in- spection holes) OEM 60504-32
$134.95
Paughco Outer primary cover for 1989–1993 Softails  and Dyna Glides
Paughco Outer primary cover for 1989–1993 Softails and Dyna Glides
$221.95
Paughco Inner primary cover for 1989–1993 Softails
Paughco Inner primary cover for 1989–1993 Softails
$308.95
Paughco Inner primary starter bushing for 1989–1993 Big Twins (OEM 33445-89) sold each
Paughco Inner primary starter bushing for 1989–1993 Big Twins (OEM 33445-89) sold each
$4.95
Paughco Outer primary starter bushing for 1989–1993 Big Twins (OEM 33446-89) sold each
Paughco Outer primary starter bushing for 1989–1993 Big Twins (OEM 33446-89) sold each
$6.95
Paughco Inner primary mainshaft bearing for 1985–2006 Big Twins (except 2006 Dyna Glide models) OEM 9135 (sold each)
Paughco Inner primary mainshaft bearing for 1985–2006 Big Twins (except 2006 Dyna Glide models) OEM 9135 (sold each)
$27.95
Paughco Primary mainshaft bearing snap rings for 1985–2006 Big Twins (except 2006 Dyna Glide models)  OEM 60678-85 (sold in pairs)
Paughco Primary mainshaft bearing snap rings for 1985–2006 Big Twins (except 2006 Dyna Glide models) OEM 60678-85 (sold in pairs)
$5.95
Paughco Flat inspection cover for 1965–1986 4-speed Big Twins with forward controls and 1984–1994 Softails and Dyna Wide Glides (OEM 60572-78)
Paughco Flat inspection cover for 1965–1986 4-speed Big Twins with forward controls and 1984–1994 Softails and Dyna Wide Glides (OEM 60572-78)
$7.95
Paughco Domed derby cover with mounting hardware and gasket for 1970–1998 Big Twins (OEM 60668-84A)
Paughco Domed derby cover with mounting hardware and gasket for 1970–1998 Big Twins (OEM 60668-84A)
$13.95
Paughco Primary Cover Chrome Hardware Kit for 1989–1993 Softails
Paughco Primary Cover Chrome Hardware Kit for 1989–1993 Softails
$45.95
Paughco Smooth cover (OEM 60557-36)
Paughco Smooth cover (OEM 60557-36)
$20.95
Paughco Embossed Bird-style cover
Paughco Embossed Bird-style cover
$20.95
Paughco Embossed Eagle-style cover
Paughco Embossed Eagle-style cover
$20.95
Paughco Flat embossed Bird-style cover
Paughco Flat embossed Bird-style cover
$20.95
Paughco Flat embossed Eagle-style cover
Paughco Flat embossed Eagle-style cover
$20.95
Paughco Embossed Bird-style cover
Paughco Embossed Bird-style cover
$52.95
Paughco Smooth cover
Paughco Smooth cover
$52.95
Paughco Dimpled cover (OEM 60573-36)
Paughco Dimpled cover (OEM 60573-36)
$8.95
Paughco Derby and inspection cover screws – 12-24 x 1/2" (pack of 10) OEM 2268
Paughco Derby and inspection cover screws – 12-24 x 1/2" (pack of 10) OEM 2268
$8.95
Paughco Clutch Pushrods ONLY for 1936–1964 transmissions (13¼"-long)  OEM 37285-36
Paughco Clutch Pushrods ONLY for 1936–1964 transmissions (13¼"-long) OEM 37285-36
$17.95
Paughco Clutch Pushrods ONLY for 1965–1969 transmissions (135 /8"-long)  OEM 37285-65
Paughco Clutch Pushrods ONLY for 1965–1969 transmissions (135 /8"-long) OEM 37285-65
$17.95
Paughco Clutch Pushrods ONLY for 1970–early 1975 transmissions (14"-long)  OEM 37285-70)
Paughco Clutch Pushrods ONLY for 1970–early 1975 transmissions (14"-long) OEM 37285-70)
$17.95
Paughco Clutch Pushrods ONLY for 1984–1986 transmissions (OEM’s 37285-84,37089-84 and 37090-84)
Paughco Clutch Pushrods ONLY for 1984–1986 transmissions (OEM’s 37285-84,37089-84 and 37090-84)
$28.95
Paughco Clutch Pushrods ONLY for 1980–early 1984 transmissions (OEM’s  37088-79, 37089-79 and 37090-79)
Paughco Clutch Pushrods ONLY for 1980–early 1984 transmissions (OEM’s 37088-79, 37089-79 and 37090-79)
$28.95
Paughco Clutch Pushrods ONLY for late 1984 transmissions (OEM’s 37088-84,  37089-84 and 37090-84)
Paughco Clutch Pushrods ONLY for late 1984 transmissions (OEM’s 37088-84, 37089-84 and 37090-84)
$28.95
Paughco Clutch Pushrods ONLY for 1985–1986 transmissions (OEM’s 37088-85,37089-84 and 37090-84)
Paughco Clutch Pushrods ONLY for 1985–1986 transmissions (OEM’s 37088-85,37089-84 and 37090-84)
$28.95
Paughco Clutch Pushrods ONLY for 1987–1989 transmissions (OEM’s 37088-87,37089-84 and 37090-84)
Paughco Clutch Pushrods ONLY for 1987–1989 transmissions (OEM’s 37088-87,37089-84 and 37090-84)
$28.95
Paughco Adjusting nut for 1941–early 1984 Big Twins  (OEM 37361-41)
Paughco Adjusting nut for 1941–early 1984 Big Twins (OEM 37361-41)
$4.95
Paughco Adjusting screw for 1941–early 1984 Big Twins  (OEM 37357-41)
Paughco Adjusting screw for 1941–early 1984 Big Twins (OEM 37357-41)
$7.95
Paughco Adjusting nut for 1954–1970 K-models and  Sportsters (OEM 38135-50)
Paughco Adjusting nut for 1954–1970 K-models and Sportsters (OEM 38135-50)
$4.95
Paughco Adjusting screw for 1954–1970 K-models and  Sportsters (OEM 38130-54)
Paughco Adjusting screw for 1954–1970 K-models and Sportsters (OEM 38130-54)
$7.95
Paughco Oil deflector plate for 1939–1964 transmissions  (OEM 35159-39)
Paughco Oil deflector plate for 1939–1964 transmissions (OEM 35159-39)
$8.95
Paughco Oil slinger for late 1975–early 1984 Big Twins  (OEM 37228-75)
Paughco Oil slinger for late 1975–early 1984 Big Twins (OEM 37228-75)
$8.95
Paughco Mainshaft lockwasher for 1936–early 1984  (OEM 35216-36)
Paughco Mainshaft lockwasher for 1936–early 1984 (OEM 35216-36)
$6.95
Paughco Left-hand thread mainshaft lock nut for 1936–up  Big Twins and Sportsters (OEM 35211-36)
Paughco Left-hand thread mainshaft lock nut for 1936–up Big Twins and Sportsters (OEM 35211-36)
$8.95
Paughco Releasing disc for 1941–early 1984 Big Twins  (OEM 37871-41)
Paughco Releasing disc for 1941–early 1984 Big Twins (OEM 37871-41)
$38.95
Paughco Pressure plate for 1941–early 1984 Big Twins  (OEM 38010-41)
Paughco Pressure plate for 1941–early 1984 Big Twins (OEM 38010-41)
$15.95
Paughco Bearing retainer for 1941–early 1984 Big Twins  (OEM 37576-41)
Paughco Bearing retainer for 1941–early 1984 Big Twins (OEM 37576-41)
$7.95
Paughco Roller bearings for 1941–early 1984 Big Twins  (set of 20) OEM 9540A
Paughco Roller bearings for 1941–early 1984 Big Twins (set of 20) OEM 9540A
$10.95
Paughco Roller bearing cage for 1941–early 1984 Big Twins (OEM 37566-58)
Paughco Roller bearing cage for 1941–early 1984 Big Twins (OEM 37566-58)
$15.95
Paughco Bearing plate tapered springs for 1941–early 1984  Big Twins and 45’s (set of 3) OEM 37574-44
Paughco Bearing plate tapered springs for 1941–early 1984 Big Twins and 45’s (set of 3) OEM 37574-44
$6.95
Paughco Clutch hub stud nuts for 1936–early 1984 Big Twins (set of 3) OEM 37581-47
Paughco Clutch hub stud nuts for 1936–early 1984 Big Twins (set of 3) OEM 37581-47
$6.95
Paughco Clutch springs for 1968–early 1984 Big Twins  (set of 10) OEM 37077-68
Paughco Clutch springs for 1968–early 1984 Big Twins (set of 10) OEM 37077-68
$20.95
Paughco Clutch springs for 1941–1967 Big Twins (set of 10) OEM 38077-41
Paughco Clutch springs for 1941–1967 Big Twins (set of 10) OEM 38077-41
$20.95
Paughco Clutch hub nut for 1937–early 1984 Big Twins  (sold each)
Paughco Clutch hub nut for 1937–early 1984 Big Twins (sold each)
$8.95
Paughco Mainshaft nut (clutch side) for 1984–1989  Big Twins (sold each)
Paughco Mainshaft nut (clutch side) for 1984–1989 Big Twins (sold each)
$11.95
Paughco Clutch hub keys for 1915–early 1984 clutches (pack of 10)
Paughco Clutch hub keys for 1915–early 1984 clutches (pack of 10)
$18.95
Paughco Long clutch hub stud for 1941–early 1984  Big Twins (sold each)
Paughco Long clutch hub stud for 1941–early 1984 Big Twins (sold each)
$8.95
Paughco Short clutch hub stud for 1941–early 1984  Big Twins (sold each)
Paughco Short clutch hub stud for 1941–early 1984 Big Twins (sold each)
$8.95
Paughco Mesh 1½"-wide 70-tooth pulley
Paughco Mesh 1½"-wide 70-tooth pulley
$318.95
Paughco Super Spoke 1½"-wide 70-tooth pulley
Paughco Super Spoke 1½"-wide 70-tooth pulley
$318.95
Paughco Mesh 11 /8"-wide 70-tooth pulley
Paughco Mesh 11 /8"-wide 70-tooth pulley
$318.95
Paughco Super Spoke 11 /8"-wide 70-tooth pulley
Paughco Super Spoke 11 /8"-wide 70-tooth pulley
$318.95
Paughco Mesh 1½"-wide 65-tooth pulley
Paughco Mesh 1½"-wide 65-tooth pulley
$318.95
Paughco Super Spoke 1½"-wide 65-tooth pulley
Paughco Super Spoke 1½"-wide 65-tooth pulley
$318.95




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Paughco: Springer Front End | handlebars | Risers | Cable Clamps | Handlebar Accessories | wheels | Gas Tanks | Transmission | Foot Controls | Primary & Drivetrain | Sheet Metal | ...See All Items
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