Achieve superior valve control and higher RPM limits with our matched SPRING / RETAINER KITS. Engineered for compatibility and performance, these kits provide the perfect combination of lightweight titanium or steel retainers and durable, high-stiffness valve springs to optimize your engine’s valvetrain for demanding conditions.
F20C / F22C - Valvetrain
BC0040 – Honda K20A/K20Z/F20C/F22C Spring/Titanium Retainer/Seat Kit
F20C / F22C - Valvetrain
BC0040T – Honda K20A/K20Z Spring/Titanium Retainer/Seat Kit (High Lift)
F20C / F22C - Valvetrain
BC0040TS – Honda K20A/K20Z Spring/Steel Retainer/Seat Kit (High Lift)
D16Y8 - Valvetrain
BC0070S – Honda D16Y8, D16Z6 Single Spring/Steel Retainer Kit
Honda - L15 / R18 / J35 / K20C1
BC0080S – Honda R18/R20 Single Spring/Steel Retainer/Keeper Kit
Nissan - Misc.
