KB PERFORMANCE 0910-3970 KB660C.STD Forged Piston Kit twin cam Brand_Hiflofiltro While louder than stock

While louder than stock

2006 Harley-Davidson Softail Heritage FLST 1986 Harley-Davidson Sport Glide Grand Touring FXRD 1986-1988 Harley-Davidson Sportster 1100 XLH 1986-1995 Harley-Davidson Sportster 883 Deluxe XLH 1986-1998 Harley-Davidson Sportster 883 XLH 1987-1993 Harley-Davidson Electra Glide Sport FLHS 1987-1991 Harley-Davidson Low Rider Custom FXLR 1987-2017 Harley-Davidson Softail Heritage Classic FLSTC 1987-1998 Harley-Davidson Sportster 883 Hugger XLH 1988-2006 Harley-Davidson Softail Springer FXSTS 1988-1998 Harley-Davidson Sportster 1200 XLH 1989-2016 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1989-1990 Harley-Davidson Low Rider FXRS 1989-1996 Harley-Davidson Tour Glide Ultra Classic FLTCU 1990-1991 Harley-Davidson Low Rider Convertible FXRS-CONV 1990-2017 Harley-Davidson Softail Fat Boy FLSTF 1992 Harley-Davidson Dyna Glide Daytona FXDB-D 1992

00 mm Inside Diameter 35

Replace the OEM lenses

Application Transmission Units Each Product Name Seal Tool Application Main Shaft Riding Style Street Color/Finish Black

KB PERFORMANCE 0910-3970 KB660C.STD Forged Piston Kit twin cam Brand_Hiflofiltro While louder than stockFeatures Pistons forged from 4032 aluminum alloy Offset pin design for quiet operation Each kit contains two pistons, pins, spiral lock pin clips and Hastings moly rings Piston pin lock rings available separately Replacement rings are also available separately Specs Bore Size 3. 875" Compression Ratio 10. 0: 1 Units Kit Bore Oversize Standard Bore Oversize Standard Riding Style Street Piston Material 4032 Aluminum Alloy Part Notes For '12 '17 103"