Kit includes 2 valves, 4 springs, 2 seats 2 retainers (everything pictured)
Nitride coated components help improve heat transfer and carbon build-up for increased valve train life
Valves are forged one piece construction to help with weight reduction and improved flow
Valves are made of 21-2N/SUH35HT Stainless Steel
Springs are made of SWOSC-V material (Oil-tempered steel wire)
Some springs feature a progressive style design with more coils on one end of the spring. The progressive springs are heavier on one end and should always be installed towards the bottom
Non-progressive springs are paint marked and should be installed towards the top
Seats are made from 4041 steel retainers are 7075-T6 Aluminum
Compatible with Kawasaki models below:
2006 KX450F
2007 KX450F
2008 KX450F