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The Edelbrock Valve Spring Retainers is a valve spring designed for automotive performance applications where component quality directly affects vehicle reliability
The Street Series also reinforces the stock housing
Dominate on the street and the strip
The fasteners are reusable and maintain consistent clamp load through multiple installation cycles when properly torqued
aFe Power provides full warranty coverage
Hypertech 158331 Hypertech Street Runner Power Chips Nitrous HP Cam and Lifter Kits The Edelbrock Valve Spring RetainersThe Hypertech 158331 Hypertech Street Runner Power Chips from Hypertech is a direct ECU reprogramming solution that replaces your vehicle's factory calibration EPROM with an optimized performance tune. Designed for OBD I and early OBD II gasoline vehicles, this performance chip rewrites fuel and spark tables for measurable horsepower and torque gains. It's a straightforward hardware upgrade that requires no laptop, no software, and no dyno tuning.
