Bilstein B3 OE Replacement-Coil Spring (36-198351) _66.1_/_71.5 *Does not fit with stock

*Does not fit with stock manifold

The filtration material was flow-bench optimized to provide maximum performance while also providing excellent filtration that will keep your engine running clean for hundreds of thousands of miles with normal maintenance

CSF is the only company to account for the airflow issues such a recess can create

The Serrated/Helix combination design also reduces intake whistle that occurs with Helix only designs (US PAT 07055513)

Bilstein B3 OE Replacement-Coil Spring (36-198351) _66.1_/_71.5 *Does not fit with stockBilstein B3 OE Replacement coil springs are designed to replace your vehicle's original springs. These coil springs are manufactured to meet all the OE dimensions, spring rates, and design types (such as miniblock or central force design). With Bilstein B3 OE Replacement coil springs, you are restoring your vehicle's suspension system function and safety to factory specifications. Features: Innovative technical design such as pigtail ends, miniblock