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Tein Street Basis Z coilovers for 2014–2015 Honda Civic Si FG4/FB6. Height-adjustable twin-tube suspension delivering improved handling, ride comfort, and daily drivability.
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Tein 14-15 Honda Civic Si (FG4/FB6) Street Basis Z Coilovers

Tein
TEINGSHF6-8UAS2
4582202763571
Coilovers
7 Units In Stock - Ships Next Business Day
$ 820.00 $ 779.00
$ 779.00

SKU: NGSHF6-8UAS2 | UPC: GSHF6-8UAS2

Tein 14-15 Honda Civic Si (FG4/FB6) Street Basis Z Coilovers

Tein Street Basis Z coilovers provide full-length height adjustment and damping control for 2014-2015 Honda Civic Si (FG4 sedan FB6 coupe) and 2016-2020 Acura ILX Base models. Twin-tube technology with 6kg/mm front and 8kg/mm rear springs delivers balanced grip responsive handling and improved cornering stability for street and track use. Lower up to 2.8 inches front 2.6 inches rear while preserving ride quality for everyday driving.

Key Features

  • 16-Level Damping Adjustment: Adjust compression and rebound across 16 settings for smooth highway rides or sharp track response with consistent performance.
  • Twin-Tube Gas Design: Pressurized gas minimizes oil foaming to maintain damping force during aggressive cornering and repeated impacts.
  • Steel Construction: Galvanized steel shock bodies and cold-wound SAE9254RV springs ensure corrosion resistance and durability under daily stress.
  • Spring Rates: 6kgf/mm front 8kgf/mm rear rates optimize traction and body control on front-wheel-drive chassis for predictable handling.
  • Height Adjustment Range: Front drop 25-70mm rear 25-65mm full-length design allows precise stance tuning within drivable limits front 50-78mm rear 40-71mm.

Product Notes

  • Check wheel tire clearance and suspension geometry prior to installation due to lowered ride height.
  • Rebuild service offered at Tein authorized service centers to extend coilover lifespan.
  • Fully assembled set includes all mounting hardware ready for install.

Installation Notes

  • Professional installation recommended.
  • Requires 14mm front pillow ball upper mount.
  • Compatible with OEM rear rubber mounts perform four-wheel alignment post-install.

This Part Fits

Year Make Model Submodel
2014-2015 Honda Civic Si
2016-2020 Acura ILX Base

Why Choose Tein?

  • Decades of Japanese motorsport engineering deliver proven reliability on road and track.
  • High-volume manufacturing upholds strict quality standards at competitive prices.
  • Advanced valving blends OEM comfort with performance precision for versatile driving.

Frequently Asked Questions

  • Q: Does this fit 2014-2015 Honda Civic Si coupe and sedan?
    A: Yes fits FG4 sedan and FB6 coupe with stock upper mounts no modifications needed.
  • Q: What materials are used in construction?
    A: Twin-tube shocks feature galvanized steel bodies and SAE9254RV cold-wound springs for fade-free strength.
  • Q: What is the warranty coverage?
    A: One-year warranty against manufacturer defects from purchase date with certified shop installation.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Single oversized box 28in x 15in x 8in
  • Weight: 55 lbs

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