Genuine GM Camshaft Retaining Plate 12589016 – Fits LS1 LS2 LS3 L76 L77 L98

Factory replacement Genuine GM camshaft retaining (thrust) plate, part 12589016. Designed with an integrated O-ring to seal the front camshaft thrust and maintain proper oil flow to lifters, cam, and main bearings. Direct replacement for GM 12556437.

Fitment:
- Suits LS engines: LS1, LS2, LS3, L76, L77, L98 (5.7L–6.2L) with standard LS cam plate design  
- Fits Holden / HSV models: Commodore VT, VU, VX, VY, VZ; Statesman / Caprice WH, WK, WL, WM series V8 models  
- OEM factory replacement for stock rebuilds or camshaft upgrades

Superseded Part Numbers:
- Replaces GM 12556437

Related Hardware:
- For correct installation, use four Genuine GM camshaft retaining plate bolts (part 11561455 – available separately in store)

Perfect for rebuilds, camshaft swaps, or factory-spec replacements where reliable camshaft thrust control and sealing are required.