Crower 68307-1 Features:

Crower 68307-1 severe-duty single valve spring with internal damper for high-performance valvetrain stability 1.260 in. OD design supports custom engine builds and performance-focused valvetrain setups Manufactured from super-clean silicone material for strength and consistent spring performance 0.197 in. wire diameter and 2.103 in. free length match Crower factory specifications

Valve Springs Single 1.26 Severe-duty Single 1.260 In. Od Features:

• Severe-duty single spring with internal damper for reduced spring surge and improved valvetrain stability in high-rpm performance engines.
• 1.260 in. OD design for performance cylinder head setups requiring a single valve spring with controlled harmonic behavior.
• Super-clean silicone construction for consistent spring performance, added fatigue resistance, and dependable severe-duty operation.
• 0.197 in. wire diameter and 2.103 in. free length for precise fitment planning in custom high-performance valvetrain builds.
• Built for custom engine applications where stable valve control, durability, and reliable high-rpm operation are critical.