Speedmaster 170 lbs./in. Spring Rate 12" Coil Over Shock Springs - Silver Pair (PCE493.1004)

The Speedmaster PCE493.1004 coil over shock springs deliver a 170 lbs./in. spring rate and measure 12" in height, engineered for custom and performance suspension setups. These silver-finished coil springs are sold as a pair and designed to work with coil-over shock absorber assemblies, providing consistent spring force for vehicle suspension tuning and lift control.

Coil over springs like these are essential components in high-performance and custom vehicle suspension systems, offering precise spring rates for controlled ride height and load support. The 170 lbs./in. rate and 12" height make these suitable for various street and track applications where suspension geometry and spring stiffness must match specific vehicle requirements. Whether upgrading a classic hot rod, street rod, or performance car, these springs provide the tuning capability needed for optimal suspension performance and handling balance.

Key Features & Benefits

• 170 lbs./in. Spring Rate: Provides consistent spring force for precise suspension tuning and load support.
• 12" Tall Design: Fits standard coil-over shock absorber configurations for custom suspension systems.
• Silver Finish: Durable corrosion-resistant coating for long-term performance.
• Sold as Pair: Two springs included for complete left and right side installation.
• Coil Over Compatible: Designed for use with coil-over shock absorber assemblies in performance applications.

Specifications

Ideal Applications

• Custom and performance vehicle suspension systems
• Hot rod and street rod suspension upgrades
• Track and street car suspension tuning
• Coil-over shock absorber assemblies