Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 350lb / RR 450lb) Factory Top Hat Only 2024-bmw-m2-esi4501957 Intended for use with used

Intended for use with used with aluminum mounting hats for Hubs are either single or double drilled from 5 on 4

Perfect for sealing spark plug wires to boots at each end forming a water-tight weatherproof seal

and motorsport fans

you still have the amenities like a 1/8 NPT gauge port and 1:1 ratio boost reference port for forced induction applications

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 350lb / RR 450lb) Factory Top Hat Only 2024-bmw-m2-esi4501957 Intended for use with usedProgress Tech CS3 systems include rebound adjustable damping. These new dampers widen the spring rate selections to include fourteen combinations. Now you can purchase a track day or drag race combination at an affordable price. Or enjoy the smooth ride of softer springs and dial in the rebound control to suit your driving style and road quality. Installation Instructions