Edelbrock Single Marine BBC Rect Port Head w/ Valves Coilovers Keep the check engine light

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452465

Release the untapped horsepower

Premium Stainless Steel Torca construction

1978 Yamaha SR433 Base 1973

It also has provisions for water bypass so it can be used on Vortec engine blocks and accepts OEM alternator brackets

Edelbrock Single Marine BBC Rect Port Head w/ Valves Coilovers Keep the check engine lightThe Edelbrock #61559 Performer RPM Marine Duty cylinder head is designed for use with Rectangular Port Big Block Chevy Marine applications. The Edelbrock #61559 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat of the pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves