Edelbrock 4.3 L GM V-6 Vortec Performer Marine Manifold 

4.3 L GM V-6 Vortec Performer Marine Manifold (Optional Hard Coat Anodizing Available)

Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and patented runner design that you won't find in other brands. This patented design greatly improves torque over a wide rpm range, especially off-idle through the mid-range. Throttle response is excellent Performers are ideal for stock or mildly modified marine engines. These manifolds can be ordered hard anodized to prohibit corrosion in saltwater environments.

• Designed for 1996-present Chevy 4.3L V6 Vortec engines (8 vertical hold-down bolts)
• Brass-lined front water crossover and inserts help protect the aluminum from salt-water corrosion
• For best performance - use #1409 Marine electric choke carburetor & calibration kit #1485/li>
• Carb flange also accepts stock Q-Jet spread-bore carburetor
• Engineered to deliver maximum power and broad torque curve for high-performance marine applications
• Designed and manufactured In the USA