PAC Racing Springs 300 Series 7 Degree Valve Spring Retainer - 0.640 in OD Steps - Beehive Spring - Chromoly (Set of 16) IB0-0702-A01-061-S Exhaust sound is louder under

Exhaust sound is louder under towing conditions

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PAC Racing Springs 300 Series 7 Degree Valve Spring Retainer - 0.640 in OD Steps - Beehive Spring - Chromoly (Set of 16) IB0-0702-A01-061-S Exhaust sound is louder underProduct Description: Valve Spring Retainer 300 Series 7 Degree 0. 640 in OD Steps Beehive Spring Chromoly Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from