Crow Cams Nissan RB30 NA SOHC - Standard
Crow Cams Nissan RB30 NA SOHC - Standard
Nissan RB30 NA SOHC - Standard — 503000
A standard-replacement profile for a naturally aspirated RB30 SOHC engine.
Camshaft specifications
| Supplier part number | 503000 |
|---|---|
| Supplied position | Single camshaft — inlet and exhaust lobes |
| Operating range | 1500 - 5000 rpm |
| Advertised duration — inlet / exhaust | 256° / 255° |
| Duration at 0.050 inch — inlet / exhaust | 195° / 191° |
| Valve lift — inlet / exhaust | .375'' / .375'' |
| Hot valve lash — inlet / exhaust | HYD / HYD |
| Rocker ratio used for listed valve lift | 1.6:1 |
| Lobe separation angle | 110° |
Supplied contents
One camshaft. Springs, retainers, installation hardware are separate.
Application and fitting
Crow does not require upgraded springs for this profile; check the existing components before reuse.
For RB30 SOHC cylinder heads. Select the naturally aspirated or turbo application by the exact part number. BBT can confirm Holden VL RB30 compatibility; this is not a twin-cam conversion profile.
Supporting parts
The following are separate supplier-listed components. BBT can check which are required for your installation.
- 10720-12 — RB30 Standard Chrome Moly Retainers - Set of 12
- 5840-12 — Dual Valve Springs - Nissan 6cyl
- ZDDP-2 — Dura Cam ZDDP Oil Additive - 2 pack
Contact BBT for parts without a product link.
BBT installation support
Have the installer verify cam timing, piston-to-valve clearance, spring installed height, coil-bind and retainer-to-seal clearance on the actual engine. Confirm the lash or preload procedure for the supplied cam and follow its lubrication and run-in instructions. BBT can assist with part selection, installation and calibration.
Product System
- Engine Parts
Vehicle Fitment
- Holden Commodore Vl Rb30E
- Holden Commodore Vl Rb30Et
- Nissan Skyline R32 Rb30
- Nissan Skyline R33 Rb30
- Nissan Skyline R34 Rb30
Confirm chassis, engine, drivetrain and production-year compatibility before ordering.
Built by Boost & Tune Support
BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.