Collection: Engine and Transmission SI

848 products
  • N4744 PPLUS HEDSTROM KICKER SPRING 1915-23
    N4744 PPLUS HEDSTROM KICKER SPRING 1915-23
    Regular price
    $49.95
    Sale price
    $49.95
  • D175 CRANK PIN
    D175 CRANK PIN
    Regular price
    $199.95
    Sale price
    $199.95
  • E35771 FOOT CLUTCH PEDAL INDIAN 1914 UP
    E35771 FOOT CLUTCH PEDAL INDIAN 1914 UP
    Regular price
    $695.00
    Sale price
    $695.00
  • 1269 CHIEF 27-31 HEAD STUD AND WASHER SET
    1269 CHIEF 27-31 HEAD STUD AND WASHER SET
    Regular price
    $199.95
    Sale price
    $199.95
  • 25B50 / 25B51 kICKER RATCHET SET
    25B50 / 25B51 kICKER RATCHET SET
    Regular price
    $399.95
    Sale price
    $399.95
  • 22B270A COUNTERSHAFT SEAL
    22B270A COUNTERSHAFT SEAL
    Regular price
    $2.95
    Sale price
    $2.95
  • 22B270 COUNTERSHAFT
    22B270 COUNTERSHAFT
    Regular price
    $152.42
    Sale price
    $152.42
  • 36B391 OIL PUMP GASKET 1931-33
    36B391 OIL PUMP GASKET 1931-33
    Regular price
    $8.95
    Sale price
    $8.95
  • D24250 3/8 HEAD BOLT WASHERS 27-31
    D24250 3/8 HEAD BOLT WASHERS 27-31
    Regular price
    $39.95
    Sale price
    $39.95
  • HEDSTROM BIG SINGLE PISTON & RING SET STD SIZE
    HEDSTROM BIG SINGLE PISTON & RING SET STD SIZE
    Regular price
    $609.84
    Sale price
    $609.84
  • HEDSTROM BIG TWIN PISTON & RING SET STD SIZE
    HEDSTROM BIG TWIN PISTON & RING SET STD SIZE
    Regular price
    $999.95
    Sale price
    $999.95
  • HEDSTROM LITTLE TWIN PISTON & RING SET STD SIZE
    HEDSTROM LITTLE TWIN PISTON & RING SET STD SIZE
    Regular price
    $999.95
    Sale price
    $999.95
  • D4025 EX VALVE SPRING B,C,D,E
    D4025 EX VALVE SPRING B,C,D,E
    Regular price
    $56.74
    Sale price
    $56.74
  • G3125 INLET DOME CAGE B
    G3125 INLET DOME CAGE B
    Regular price
    $79.95
    Sale price
    $79.95
  • G3025 INLET VALVE SEAT B
    G3025 INLET VALVE SEAT B
    Regular price
    $229.95
    Sale price
    $229.95
  • N410 16A19 IN SM PLUG 1916-19 POWERPLUS 47MM
    N410 16A19 IN SM PLUG 1916-19 POWERPLUS 47MM
    Regular price
    $189.95
    Sale price
    $189.95
  • 23B72 SHORT CLUTCH WORM
    23B72 SHORT CLUTCH WORM
    Regular price
    $399.95
    Sale price
    $399.95
  • N5152 16B74 OUTSIDE OPERATING LEVER GEARBOX
    N5152 16B74 OUTSIDE OPERATING LEVER GEARBOX
    Regular price
    $159.95
    Sale price
    $159.95
  • N4800/4772
    N4800/4772
    Regular price
    $179.95
    Sale price
    $179.95
  • 27C73 S1192 840 MANIFOLD INLET 750 101
    27C73 S1192 840 MANIFOLD INLET 750 101
    Regular price
    $389.95
    Sale price
    $389.95
  • 708 CLUTCH PEDAL FRICTION DISC TENSION SPRING & NUT
    708 CLUTCH PEDAL FRICTION DISC TENSION SPRING & NUT
    Regular price
    $14.95
    Sale price
    $14.95
  • 1721 16A62 BLACK FINISH pack of 8 base studs
    1721 16A62 BLACK FINISH pack of 8 base studs
    Regular price
    $49.95
    Sale price
    $49.95
  • 17A278 N1208 MANIFOLD TUBE
    17A278 N1208 MANIFOLD TUBE
    Regular price
    $99.95
    Sale price
    $99.95
  • T1212 22B131 INLET MANIFOLD NUT
    T1212 22B131 INLET MANIFOLD NUT
    Regular price
    $99.95
    Sale price
    $99.95
  • E1200 S4 N198 16A147 S198 28B315 CRANKCASE CENTRE BOLT
    E1200 S4 N198 16A147 S198 28B315 CRANKCASE CENTRE BOLT
    Regular price
    $41.99
    Sale price
    $41.99
  • 16A62 BASE STUDS EARLY PLATED(4) can also use 1721(8)
    16A62 BASE STUDS EARLY PLATED(4)  can also use 1721(8)
    Regular price
    $64.95
    Sale price
    $64.95
  • 20B418 N470P PERFORATED VALVE SLEEVE (4)
    20B418 N470P PERFORATED VALVE SLEEVE (4)
    Regular price
    $45.36
    Sale price
    $45.36
  • 901 Engine mount bolt with spacers nuts washers 101
    901 Engine mount bolt with spacers nuts washers 101
    Regular price
    $99.95
    Sale price
    $99.95
  • 1209 OIL PUMP SCREW SET 101 1928-31
    1209 OIL PUMP SCREW SET 101 1928-31
    Regular price
    $16.95
    Sale price
    $16.95
  • 40171 NICKEL PLATED GAS LINE
    40171 NICKEL PLATED GAS LINE
    Regular price
    $329.95
    Sale price
    $329.95
  • D10485 CARB CONNECTION TUBE ELBOW
    D10485 CARB CONNECTION TUBE ELBOW
    Regular price
    $82.45
    Sale price
    $82.45
  • 40506 FR CAMSHAFT SCOUTS
    40506 FR CAMSHAFT SCOUTS
    Regular price
    $239.02
    Sale price
    $239.02