Cast Iron Raw Ram Horn Manifolds GM Small Block 283-350 Chevy Engine

Upgrade or restore your small-block Chevy with these ram horn exhaust manifolds (S900). They are designed for 283-350 SBC engines commonly found in classic Chevy vehicles. The manifolds are built to factory-style specifications and deliver reliable sealing. The cast iron build offers long-lasting strength and resistance to cracking under heat cycles. The ram horn design provides improved clearance for angled spark plug heads, making them a practical choice for stock and mildly upgraded engines.

Features and Benefits:
- Durable cast iron construction
- Raw finish for classic appearance
- Direct fit for small-block Chevy 283-350 engines
- Factory-style design for proper sealing
- Improved clearance for angled spark plugs
- Compatible with standard SBC port heads
- Includes required gaskets
- Includes mounting hardware
- Sold as a pair

Vehicle Fitment:
- 1964-1972 Chevy Chevelle/El Caminos
- 1967-1973 Chevy Camaros
- Compatible with other GM vehicles using SBC engines
- Works with angled‑plug cylinder heads

Please Note: Exhaust gaskets must be properly torqued in sequence during installation. Header‑style spark plug wires are recommended for best clearance and heat protection.