Fel-Pro 1289-5 is an intake manifold gasket set for Small Block Chevy performance builds, including 602 and 604 Crate engine applications. It helps seal aftermarket cylinder head and intake manifold combinations with a race-port layout, a thick composite body, and Printoseal port beads that add sealing load where intake leaks can cost power and consistency.

Fel-Pro 1289-5 Technical Specifications:

• Medium race port openings measure 1.300 in. wide by 2.310 in. high for Small Block Chevy performance intake and cylinder head combinations.
• Overall gasket thickness is .120 in., giving engine builders a substantial sealing layer for race and high-performance service.
• Printoseal technology places elastomer sealing beads around the ports to concentrate sealing pressure in critical areas.
• Non-metallic, rubber-fiber composite construction resists degradation from gasoline and alcohol while remaining easy to precision-trim around port work.
• Designed without exhaust crossover openings and without blocking shields for applications that do not use an exhaust heat crossover.
• Meets or exceeds OE specifications and is application-specific for reliable alignment on supported Small Block Chevy combinations.
• Legal for sale and use on emissions-controlled vehicles, uncontrolled vehicles, and racing-use-only vehicles because it is a direct replacement sealing component.

Best suited for performance Small Block Chevy engines where port size, intake manifold selection, and cylinder head configuration should be verified before installation.