manley gm ls series 660in max lift valve spring and retainer kit 1 Engine Components>Valve Covers 2-35070 Freightliner Air Glide Susp

2-35070 Freightliner Air Glide Susp 1/32"

5-18 Dodge/RAM 24v 6

Pro-Port version available for custom porting

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manley gm ls series 660in max lift valve spring and retainer kit 1 Engine Components>Valve Covers 2-35070 Freightliner Air Glide SuspManley Performance LS & LT NexTek valve spring kits take the guess work out of making your valvetrain race ready. Engineered for maximum durability, stability, and precision in high performance and racing applications, these chrome silicon alloy springs provide exceptional fatigue resistance and high tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these all inclusive kits, featuring premium springs,