Fitment: For Predator 196 cc & 212 cc, for Honda GX160/GX200 clone engines for Hemi & Non-Hemi go-kart OHV racing motors; NOT for V-twin Harbor Freight engines.
Package: One pair of 18 lb valve springs.
Tolerance: Free length and rate may differ slightly spring-to-spring.
Upgrade: Upgraded material increases toughness and resists breakage.
Corrosion-Resistant:silver surface is nickel-plated for corrosion resistance, longer life, and a cleaner look.