Kpmi Black Diamond Exhaust Valve HD Twin CAM 88-103" - 20-20325 For Harley Motorcycles 1984-1999 Product Type_Wheels & Axles 2015-2016 Aprilia Tuono 1000 R

2015-2016 Aprilia Tuono 1000 R RSV V4 APRC ABS 2011-2012 Aprilia RSV4 Factory APRC 2011-2012 Aprilia RSV4 R APRC 2013-2015 Aprilia RSV4 Factory APRC ABS 2013-2015 Aprilia RSV4 R APRC ABS 2014 Aprilia Tuono V4 R APRC ABS 2016-2018 Aprilia RSV4 RF 2016-2020 Aprilia RSV4 RR 2019-2022 Aprilia RSV4 1100 Factory 2021-2022 Aprilia RSV4 1100

Model Monster Riding Style Street Stroke Length 4-1/4" Compression Ratio 9

Requires no modification

smoother-running valve train

'01-'17 Twin Cam with Delphi EFI (except '08-'16 Touring

Kpmi Black Diamond Exhaust Valve HD Twin CAM 88-103" - 20-20325 For Harley Motorcycles 1984-1999 Product Type_Wheels & Axles 2015-2016 Aprilia Tuono 1000 RAll KPMI Black Diamond stainless steel valves are impregnated by a special German process to a depth of . 002, with a surface build up of . 0002. This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Black Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. 1984 Harley