Strongthium 18lb Valve Spring Retainers Locks Kit

18lb Valve Spring Retainers Locks Kit

Key features

• Exclusively engineered for 5.0mm valve stems. To ensure perfect fit, please measure your valve stem diameter prior to purchasing.The 18lb version is optimized for building baseline power with mild build configurations.
• Fits Honda GX200 GX160 only if upgraded with aftermarket 5mm racing valves (Does not fit OEM 5.5mm Honda valves). Fits Predator 212cc Gen 3 Non-Hemi, Ducar 212, Tillotson 212R/212E/225R/RS, Wildcat 223/240,and Ghost 212 racing heads.
• Features 18lb seat tension at 0.815" setup height. Prevents valve float across the 5,500-6,200 RPM range. Highly recommended for popular stock class grinds (CL1, CL2, BSP3) and modified cams up to.235" lift.
• Engineered with premium Chrome Silicon (55CrSi/SAE 9254), this spring features 1.8mm (0.071") wire diameter, 5.0 coils, 20.0mm (0.787") OD, and 30.5mm (1.201") free height. It is specially calibrated to tight 9.0mm (0.354") solid height (coil bind) to prevent binding.
• The ultimate internal engine valvetrain setup specifically optimized for popular stock-legal racing profiles like CL1, CL2, BSP3, or upgraded stock camshafts, providing reliable high-speed stability without causing excessive cam lobe wear.
• Pack includes 2x 18lbs racing springs, 2x valve retainers, and 2 pairs of secure keepers. Professional setup using a dedicated compression tool is advised.

Free shipping on orders $50+. 30-day hassle-free returns.