AEM Tru-Time adjustable cam gears let you advance or retard cam timing in one-degree steps via laser-etched markings to match camshaft timing to your engine's tuning state - ideal for milled, high-compression, forced-induction, or aftermarket-cam builds. CNC-machined from 6061-T6 billet aluminum with grade-8 six-point hardware and AEM's hard-anodized belt surface for durability.
Specifications
| Type | Tru-Time adjustable cam gear |
| Engine | Honda D16 |
| Adjustment | One-degree increments |
| Material | 6061-T6 billet aluminum, hard-anodized |
| Part Number | 23-804BK |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996-2000 | Honda | Civic | CX |
| 1996-2000 | Honda | Civic | DX |
| 1996-2000 | Honda | Civic | EX |
| 1996-2000 | Honda | Civic | HX |
| 1996-2000 | Honda | Civic | LX |
| 1999 | Honda | Civic | Value Package |
| 1996-1997 | Honda | Civic del Sol | S |
| 1996-1997 | Honda | Civic del Sol | Si |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
