Description
Optional dark blue #68 rate long rear shock spring for the Kyosho Lazer ZX5 and RB5. Kyosho shock springs are rated with numbers such that the lower the number, the softer the spring.
Here is a Kyosho Spring Chart: Part # Color Description KYOW5183-03 Black #50 Ultra Soft KYOW5183-60 Dark Yellow #60 Very Soft KYOW5183-65 Light Yellow #65 Soft KYOW5183-68 Blue #68 Medium KYOW5183-04 Silver #70 Hard KYOW5183-72 Cobalt Blue #72 Very Hard KYOW5183-75 Light Green #75 Extra Hard KYOW5183-80 Green #80 Ultra Hard