76-77 911 Magnesium or Aluminum

---

• 

• 

• 

Distinguishing features: 4 Rib Magnesium Housing Die cast or Sand Cast

1. Magnesium
2. 4 rib
3. Identical to 4 rib SC
4. Die Cast Housing
5. 2ST-OP-MG-7677 Click for pricing 
6. Pump Overhaul Request FORM

Or

1. Aluminum
2. 4 Rib
3. Sand Cast Housing
4. 2ST-OP-ALCH-7677 Click for pricing 
5. Pump Overhaul Request FORM

---