bigtwin Engine

This kit increases displacement of the TC-96 models to produce 103cc with stock flywheels. Features a 9:1 compression. These cylinders require no c...

Replacement 80 Evolution moly coated piston kit. Pistons are .005 oversize. The moly coating helps reduce friction and wear. This kit includes wri...

95 Big Bore bolt on cylinder kit wil increase TC-88 engines to 95 . Kit includes black cylinders with 9.3:1 cast pistons and hasting rings. Piston...

Hasting ring set is standard size and for use with TC-103. FITMENT 2010 / 2017 FXST TC-1032010 / 2017 FLST TC-1032010 / 2017 FXD TC-1032010 / 2016...

Cast iron exhaust valve guide is for M8 models and is .002 oversize. FITMENT 2017 / UP FLT ACCESSORY ITEMS16-0132

Cast iron exhaust valve guide is for M8 models and is .001 oversize. FITMENT 2017 / UP FLT ACCESSORY ITEMS16-0132

Cast iron exhaust valve guide is for M8 models and is standard size FITMENT 2017 / UP FLT ACCESSORY ITEMS16-0132

Cast iron intake valve guide is for M8 models and is .001 oversize. FITMENT 2017 / UP FLT ACCESSORY ITEMS16-0322

Precision machine evolution intake valve guide made of cast iron with built in shoulder standard size. FITMENT 1984 / 1999 FXST 1984 / 1999 FXST...

Ti coat cam cover features titanium plating over chrome for a machine look for M8 models. FITMENT 2017 / UP FLT 2018 / UP FLST 2018 / UP FXST ...

103 moly coated piston kit. Pistons are .010 oversize and features a 3.875 bore. FITMENT 2007 / 2017 FXST 2007 / 2017 FLST 2007 / 2017 FXD 2...

103 moly coated piston kit. Pistons are .005 oversize and features a 3.875 bore. FITMENT 2007 / 2017 FXST 2007 / 2017 FLST 2007 / 2017 FXD 2...

96 moly coated piston kit. Pistons are .005 oversize and features a 3.750 bore. FITMENT 2007 / 2013 FXST 2007 / 2013 FLST 2007 / 2013 FXD 20...

.030 sprocket shaft spacer FITMENT 1970 / 1984 FL 1971 / 1984 FX 1984 / 1998 FXST 1979 / 1998 FLT 1979 / 1998 FLT 1982 / 1994 FXR 1982 / 199...

Forged steel standard hydraulic tappets are OE replacement quality with precision ground outer diameter and accurate sized pin fitted to roller ass...

Chrome cam cover with hole for TC-88 Big Twin Models. FITMENT 1999 / 2000 FLT TC-881999 / 2000 FXD TC-882000 / 2000 FXST TC-88ACCESSORY ITEMS60-01...

Rod race set is made from 52100 steel and hardened. Set of three.FITMENT 1936 / 1940 EL 1941 / 1984 FL 1991 / 1998 FXD 1986 / 1998 FLST 1984 / ...

Kit includes Sifton stock cam. Includes oil pump snap rings pinion shaft key Sifton pinion gear set Sifton cam chest steel breather cam chest b...

Jims powerglide is a hand honed hydraulic unit. Includes roller assembly. Tappet has an outer diameter of .8420 standard size. For Twin Cam or M8...

Crank pin is .001 oversize on bearing diameter. Pin is heat treated 60-62RC to a case depth of .100. Crank pin has a 1.2505 outer diameter. Order ...

Cam cover with bushings installed and seal included for models with end oiling pinion shaft. FITMENT 1993 / 1999 FXST 1993 / 1999 FLST 1993 / 19...

Standard right side case race is machined and ground to factory specifications. FITMENT 1958 / 1984 FL 1971 / 1984 FX 1979 / 1992 FLT 1979 / 19...

Cover for Big Twin models features installed bushings and includes seal. Does not include hardware or gaskets.FITMENT 1993 / 1999 FXST 1993 / 1999...

V-Twin short blocks are shipped fully assembled. Unit features an S&S crankcase Sifton oil pump and breather assembly stock stroke flywheels ...