TechSpec HONDA CBR650RR, CB650R TRACK DESIGN (2019-CURR) XL2 Tire Warmers As you can read below

As you can read below the power is slightly better then the top-secret Works Stacks from Yoshimura

capable of withstanding extreme thermal-mechanical stress

Required parts are Tail Piece

obtained on polystyrene

Extreme Components GP EVO rear sets kit for Kawasaki ZX 10 R (2016/2020) (reverse shifting) with carbon fiber heel guard (black) - PED-GP EVO ZX1016C LCR ZX10 16B

TechSpec HONDA CBR650RR, CB650R TRACK DESIGN (2019-CURR) XL2 Tire Warmers As you can read belowXL2 is a thin (. 045"), medium durometer rubber skin with a raised dot pattern. The material is thin, lightweight, and has a high coefficient of friction comparable to that of TechSpec's XLine material. Yet less expensive and more durable.