Flatout Suspension Porsche 992 C4 [CS PRO] CSP-992C4

DISCLAIMER: This is a made to order item. The lead time for this product is 4-8 weeks.

Flatout CS PRO Coilovers for Porsche 992 C4

The Flatout CS PRO Coilovers are engineered for Porsche 992 C4 owners who demand top-tier performance on both street and track. With a 0.5–1.5” adjustable drop, these coilovers improve stance, cornering precision, and ride quality without compromising daily drivability.

Equipped with external oil reservoirs and 3-way damping control (high/low speed compression & rebound), the CS PRO system delivers professional-grade tuning flexibility. Combined with Eibach linear rate springs and Bilstein COB digressive pistons, these coilovers provide unmatched stability, responsiveness, and durability for spirited drives or track sessions.

Key Features

• Height Adjustable (0.5–1.5” Lower than OEM) → Customize stance and handling for street or track use.

• Front & Rear Assemblies with External Reservoirs → Consistent damping and improved cooling under extreme conditions.

• 3-Way Damping Control → Adjust high & low speed compression and rebound for personalized performance.

• Bilstein COB Digressive Pistons → Predictable response and superior handling control.

• Eibach Linear Rate Springs → Balanced performance with smooth NVH characteristics.

• Radial Bearings on Front Assembly → Precision steering and cornering stability.

• Electro-Plated Nickel Shock Cartridges → Long-lasting corrosion resistance.

• NC Machined High-Flow Aluminum Piston & Stainless Steel Shims → Durable, high-quality construction.

• Dual Height Adjustable & 20-Point Rebound → Fine-tune ride height and damping to suit your setup.

• Camber/Pillowball Upper Mounts → Track-ready alignment precision.

• Brackets for Sensor Lines → Maintain OEM compatibility.

• 3-Year Warranty & Individual Parts Available → Long-term confidence and serviceability.

Why Choose Flatout CS PRO?

• Street & Track Ready → Perfect balance of daily comfort and high-performance track handling.

• Precision Handling → 3-way adjustable damping and linear springs for sharp, controlled driving.

• Durable & Rebuildable → Long-term reliability with serviceable, corrosion-resistant components.

• Customizable Performance → Fine-tune height, damping, and rebound to your driving style.

• USA Assembled → Expert craftsmanship with premium quality control.

Flatout CS PRO Coilovers bring professional-grade performance to your Porsche 992 C4, delivering adjustable stance, precise damping, and durable construction for the ultimate street and track experience.