Side Valve - Engine - Bottom End

Shipped assembled and trued with shafts included. Includes Truett and Osborn flywheels with an XL crank pin and rods installed. Fitment: 0 Custom

Sifton WR/KR camshaft lobe set includes four lobes. Features KR lobe profile that fits inchW + G inch 45 inch motor. Also works in WR but requires ...

2022 New Production 45 complete rod set for side valve models. Measurements:Female Rod O.D.: 1.370 inches Fitment: 1929-1931 DL 1932-1973 G 19...

OEM #: 24595-40, 413-40 Sifton standard right side case race is machined and ground to factory specifications. Race has an outer diameter of 2.0015...

XR/WR magneto 36 tooth idler gear with holes includes bearing for Side Valve models. *NOTE: Includes 1 bearing but 2 are required. Order additional...

OEM #: 24370-29, 309-29 Sifton steel connecting rod bearing cage set includes 4 cages and standard size Torrington roller set. *NOTE: Are late styl...

Sifton 2-hole crank pin is made of 8620 steel with a heat treatment depth of.062 inch. You must align oil feed in flywheels with crank pin. OEM use...

Eastern #: A-24692-39 · OEM #: 24692-39, 414-39A Right side washer sprocket shaft Fitment: 1939-1973 G 1939-1952 WL

Eastern #: A-24691-39 · OEM #: 24691-39, 422-39 Left side washer sprocket shaft Fitment: 1939-1973 G 1939-1952 WL

Eastern #: A-23972-21 · OEM #: 23972-21, 372-21 Flywheel thrust washer set inside Set of two. Fitment: 1936-1973 G 1936-1952 WL

Eastern #: A-24060-SET · OEM #: 24060-26, 357-26A Flywheel thrust washers are a set of 10 ranging from.066-.102 thickness and increases in steps of...

Sifton right and left flywheel set aceepts an OEM pin and is for Side Valve models. Fitment: 1941-1973 G 1941-1952 W

Flywheel assembly for 74 and 80 inch Side Valve Flathead motors. Fully assembled and trued. Assembly includes brand new components and fitted pinio...

Sifton #: 23960-29 Sifton 1-hole crank pin is made of 8620 steel with a heat treatment depth of.062 inch. You must align oil feed in flywheels with...

Truett & Osborn #: HD45STK Bare flywheels for side valve models feature original weight right and left sides. Notes:Suggested to use with 2 Hol...

Shipped assembled and trued with shafts included. Fitment: 1929-1931 DL 1937-1973 G 1937-1952 W 1932-1952 WL

Truett & Osborn #: 37T 4 9/32 STK Flywheel set feature original weight right and left sides. *NOTE: Flywheel made with the 1941-up Overhead Val...

UL-ULH flywheel assembly is for 74 and 80 inch side valve flathead models. Shipped complete assembled balanced and trued with shafts. Fitment: 1937...

Case is a reproduction of the original 45 cubic inch left side case features a bare as cast aluminum finish. Case is blank without serial numbers. ...

Sifton #: 76449N Sifton solid tappet set includes installed roller assembly. Adjuster screws are not included. Measurements: Roller Diameter: 21.7 ...

Assembly is.005 oversize with rollers installed. Adjuster screws are not included. Measurements: Roller Diameter: 21.7 mm Pin Diameter: 7.60 mm Nee...

OEM #: 24536-37, 410-37, 406-37 Side valve replacement left side engine case features a blank number boss. This case has the same oil passage for t...

Eastern #: A-25788-30 · OEM #: 25788-30, 636-30A Cam chest idler gear stud only Fitment: 1932-1936 WL

Eastern #: A-25588-37 · OEM #: 25588-37, 660-37B Bushing for cam cover bushing for side valve models. Fitment: 1937-1957 G 1937-1952 WL