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The Supertech single valve spring kit for the Toyota 4A-GE 20V Black Top engine is a matched spring set sized for that cylinder head. Offered for Black Top 4A-GE applications, it replaces factory springs while preserving original valvetrain geometry. Use this kit when servicing or rebuilding a 4A-GE 20-valve Black Top cylinder head to maintain proper valve control.
Supertech Toyota 4AGE 20V (Black Top) Single Valve Spring Kit
