Skunk2 alpha springs and retainer
Part is great but it would have been nice to know I also needed the seaters as well so I could have ordered all at once

The Skunk2 Spring Base Kit is engineered to enable the use of high-performance dual valve springs in Honda K20, K24, F20C, and F22C cylinder heads originally equipped with single valve springs. Precision-machined from durable steel, these spring bases ensure proper seating and alignment for enhanced valvetrain performance.
This kit allows for seamless compatibility between K-Series valve springs and F20C/F22C engines, as well as upgrades to dual springs in single-spring K-Series heads. All Skunk2 valvetrain components are designed and tested in-house using rigorous dyno and track validation to meet the demands of high-RPM, race-level applications.
Key Features:
Allows K-Series single-spring heads to accept dual valve springs
Enables K-Series valve springs to be used in F20C/F22C heads
Precision-engineered from high-strength steel
Ensures proper spring fitment and alignment
In-house tested for racing and street use
Compatible with Skunk2 Pro XP and other dual valve spring kits
Vehicle Fitment:
Honda F20C
Honda F22C
Honda K20 / K20A / K20Z
Honda K24 / K24A / K24Z
What's Included:
(1) Set of Steel Spring Bases for Dual Valve Spring Conversion