- Bottom dead center (BDC): Pointer on the timing cover aligned with the "0" mark on the crankshaft pulley.
- Top dead center (TDC): Pointer on the timing cover aligned with the "T" mark on the crankshaft pulley.
- 6 degrees before top dead center (BTDC): Pointer on the timing cover aligned with the "6" mark on the crankshaft pulley.