BC Racing ER Series Coilover System (2004 - 2006 Pontiac GTO) - ZB-02-ER
Professional-Grade Suspension for the Pontiac GTO
Take full control of your 2004 - 2006 Pontiac GTO with the BC Racing ER Series Coilover System - a high-end suspension setup designed for enthusiasts and racers who demand maximum adjustability and precision. The ER Series provides independent 30-click compression and rebound adjustment with external reservoirs to ensure stable oil temperatures and fade-free performance. Whether you're daily driving, canyon carving, or competing at the track, these coilovers deliver the perfect balance of handling, comfort, and durability for your GTO.
Performance Highlights
- Independent 30-way compression and rebound adjustments for unmatched suspension tuning flexibility.
- External reservoirs increase oil capacity and improve cooling for extended, high-performance use.
- Twin-piston linear damper design ensures precise, predictable response on any road surface.
- Height adjustment independent of spring preload maintains full suspension stroke and comfort.
- Mono-tube damper construction provides consistent damping and superior heat dissipation.
- Front and rear camber plates included on applicable kits for precision alignment control.
- Front and rear pillowball mounts deliver increased steering feedback and improved chassis response.
- Custom spring rates and Swift Spring compatibility allow further fine-tuning for your driving needs.
- 2-year warranty and fully rebuildable design for long-lasting performance.
Quick Specs
- Brand: BC Racing
- Series: ER Series
- Part Number: ZB-02-ER
- Vehicle Fitment: 2004 - 2006 Pontiac GTO
- Damper Type: Mono-tube with external reservoir
- Design: Twin-piston, linear damping
- Adjustability: 30-way compression (external) / 30-way rebound (top)
- Height Adjustment: Independent of spring preload
- Spring Rates: Front 7kg/mm | Rear 9kg/mm
- Warranty: 2 Years (Manufacturer Defect)
- Rebuildable: Yes
Why Choose BC Racing ER Series Coilovers?
The BC Racing ER Series delivers pro-level suspension performance for serious drivers. Its independent compression and rebound control allows you to dial in your perfect setup - whether you're optimizing weight transfer, minimizing body roll, or improving corner exit traction. With the added benefit of remote reservoirs, these coilovers maintain stable damping performance even under demanding track conditions, ensuring your GTO stays composed and predictable lap after lap.
FAQs
What makes the ER Series different from the DS or BR Series?
The ER Series features independent rebound and compression adjustment with remote reservoirs, allowing far greater tuning flexibility compared to the DS or BR Series.
Can these coilovers be used for both street and track?
Yes. The ER Series is designed to perform exceptionally on the track while maintaining comfortable ride quality for spirited daily driving.
Do the ER coilovers include camber plates?
Yes. Front and rear camber plates are standard on applicable kits, allowing precise alignment adjustment for optimal tire contact and performance.
Can I upgrade to Swift Springs?
Absolutely. Swift Spring upgrades are available for most applications, offering improved consistency and reduced unsprung weight.
Fitment
- 2004 Pontiac GTO
- 2005 Pontiac GTO
- 2006 Pontiac GTO
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized BC Racing dealer providing expert advice, competitive pricing, and fast shipping. Whether you're upgrading for street use or full competition, our team helps you select and tune the perfect suspension for your goals. Contact us at sales@beefcakeracing.com or call 1-855-827-7223. Beefcake Racing - Performance Starts Here.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
