The JE single piston for 2017 Honda CRF450 is built to a 14.0:1 compression ratio to match particular tuning or rebuild needs for that bike. Supplied as a single piston, it addresses one-cylinder replacement scenarios and helps restore the desired combustion compression during routine engine service or repair on the CRF450 platform.
JE Pistons Honda M/C CRF 450 2017 14.0 to 1 Piston Single