Sox Exclusive Clone Stock Class Valve Spring Each

• Custom-made for stock class adherence in Clone engines
• Passes AKRA/NKA tech with proper verification
• Sold singly for flexible builds

Built in West Columbia, SC, this spring keeps your valvetrain rule-compliant while delivering the control needed for tight, predictable racing lines. Builders test it to confirm legal pressure, securing spots on the starting grid.

For stock class warriors, it's about purity and speed—this piece maintains valve integrity without pushing boundaries, helping you organize a clean, inspectable setup. Race with assurance, knowing it's crafted for winners who play by the rules.