Sierra  |  SKU: 18-1903

Sierra Exhaust Manifold 18-1903

$638.99 $709.99
✔ In stock — ready to ship
⚡ Typically ships within 1–2 business days
🚚 Free shipping on orders over $279
📦 Ships from Canadian warehouses (AB, ON, QC)
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Fast Shipping from Canadian Warehouses

📦 Delivered in 3–7 business days (Canada)
✔ No duties or cross-border delays

Replaces: 912442 V-8 - PORT SIDE Fits most GM V-8 small blocks with end riser
305~350 Engine Cubic Inches
Use with:
Mounting Kit: 18-8502
  • SKU: 18-1903
  • Compatible Brand: Fits OMC
  • Model number: 912442
  • Original Product Type: Exhaust Manifolds

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