80 inch Overhead Valve Piston Set .030 Oversize **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings. Instructions: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf FITS Harley Davidson...

80 inch Overhead Valve Piston Set .040 Oversize **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings. Instructions: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf FITS Harley Davidson...

74 inch Overhead Valve Piston Set Standard Size **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings. Bore size is 3.4380 inch-3.4385 inch...

74 inch Overhead Valve Piston Set .020 Oversize **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings. Instructions: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf FITS Harley Davidson...

Cylinder and Piston Conversion Kit Cylinder and piston conversion kit features silver finished cast cylinders with Sifton moly coated pistons. Instructions: http://www.vtwinmfg.com/Instructions/11/11-0377.pdf FITS Harley Davidson XL 2004 Harley Davidson XL 2005 Harley Davidson XL 2006 Harley Davidson XL 2007 Harley...

Cylinder and Piston Conversion Kit Kit is bolt on. FITS Harley Davidson XL 2004 Harley Davidson XL 2005 Harley Davidson XL 2006 Harley Davidson XL 2007 Harley Davidson XL 2008 Harley Davidson XL 2009 Harley Davidson XL 2010 Harley Davidson...

45 inch WL/G Piston Kit .005 inch Oversize Kit includes hasting ring set with 3/32 inch compression rings and 1/8 inch oil ring. *NOTE: Bore and hone to 2.752 inch which gives .0025 inch clearance. Measurements: Pistion O.D.: 2.749 inches...

45 inch WL/G Piston Kit .010 inch Oversize Pistons have a steel expansion control strut cast as original. Top ring measures 3/32 inch thick and the oil ring measures 1/8 inch thick. FITS Harley Davidson G 1929 Harley Davidson G...

45 inch WL/G Piston Kit Standard Pistons have a steel expansion control strut cast as original. The piston measures 2.7455 inch with a .002 clearance and can be bored out to a maximum of 2.7475 inch. Kit includes hasting ring...

Piston Kit .040 Oversize Pistons have a steel expansion control strut cast as original. Top ring measures 3/32 inch thick and the oil ring measures 1/8 inch thick. FITS Harley Davidson G 1929 Harley Davidson G 1930 Harley Davidson G...

Piston Kit .050 Oversize Pistons have a steel expansion control strut cast as original. Top ring measures 3/32 inch thick and the oil ring measures 1/8 inch thick. FITS Harley Davidson G 1929 Harley Davidson G 1930 Harley Davidson G...

Piston Kit .020 Oversize Pistons have a steel expansion control strut cast as original. Top ring measures 3/32 inch thick and the oil ring measures 1/8 inch thick. FITS Harley Davidson G 1929 Harley Davidson G 1930 Harley Davidson G...

61 inch Overhead Valve 3-5/16 inch Piston Set Standard Size **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings. Instructions: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf FITS...

Big Bore Gasket and Parts Kit *NOTE: The finished bored size should be 3.8750 inch to fit 3-5/8 cylinders. FITS Harley Davidson FL 1966 Harley Davidson FL 1967 Harley Davidson FL 1968 Harley Davidson FL 1969 Harley Davidson FL 1970...

88 inch Evolution Big Bore Cylinder Black This is 3-5/8 inch black cylinder will have to be honed for final fitment. Case boring will be required for final fitment. Bottom of cylinder spigot is 3.875. Order top end gasket kit...

88 inch Evolution Big Bore Cylinder Silver This 3-5/8 inch silver cylinder will have to be honed for final fitment. Case boring will be required for final fitment. Bottom of cylinder spigot is 3.875. Order top end gasket kit separately....

883cc to 1200cc Cylinder and Piston Conversion Kit Black Cylinders have fitted Sifton moly 9.5:1 reverse dome pistons and ring set. Gaskets not included in kit. Order rocker box gasket set separately. Measurements: 0: Tech Notes: Does not require any...

45 inch WL/G Piston Kit Standard Kit includes hasting rings. The piston measures 2.742 inch with a .002 inch clearance and can be bored out to a maximum of 2.745 inch. Top ring measures 3/32 inch thick and the oil...

883cc to 1200 cc Conversion Piston Set Standard 3.498 inch Piston set has a 9.5:1 compression. Requires cylinder boring only. Instructions: http://www.vtwinmfg.com/Instructions/11/11-0852.pdf FITS Harley Davidson XL 1986 Harley Davidson XL 1987 Harley Davidson XL 1988 Harley Davidson XL 1989 Harley...

Piston Wrist Pin and Lock Kit Wrist pin and lock set for 1948-1985 Tech Notes: Do not install wrist pins without lubricating them first with assembly lube. Refer to applicable service manaual for proper installation methods. FITS Harley Davidson FL...

95 inch Big Bore Twin Cam Cylinder and Piston Kit Pistons are pre fitted to cylinders with head gaskets and can be used with stock heads. No crankcase machining required for installation. Twin Cam 3-7/8 inch Big Bore Cylinder Kit...

95 inch Big Bore Twin Cam Cylinder and Piston Kit No crankcase machining required for installation. Twin Cam 3-7/8 inch Big Bore Cylinder Kit increases displacement of Twin Cam 88 (1450) to 95 (1550) cubic inches. These cylinders require no...

95 inch Big Bore Twin Cam Cylinder and Piston Kit Pistons are pre fitted to cylinders with head gaskets and can be used with stock heads. No crankcase machining required for installation. Twin Cam 3-7/8 inch Big Bore Cylinder Kit...

96 inch Twin Cam Piston Kit 96 inch moly coated piston kit. Pistons are .005 inch oversize and features a 3.750 inch bore. FITS Harley Davidson FLST 2007 Harley Davidson FLST 2008 Harley Davidson FLST 2009 Harley Davidson FLST 2010...