Cometic Gasket · New
Cometic Nissan RB25/RB26/RB30 .064in AM Exhaust Manifold Gasket Set - Single Port
MPN C4373 · Store SKU cgsC4373
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
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Product details
Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications. Nissan RB25/RB26/RB30 .064in. AM Exhaust Manifold Gasket Set; Single Port Nissan RB25/RB26/RB30 .064" AM Exhaust Manifold Gasket Set, Single Port Designed for extreme cylinder pressures
Manufacturer fitment & guides
Check C4373 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
