Indmar Marine Exhaust Gasket – Catalyst Special | Part #556202SPEC Don't overlook this critical sealing component — this genuine Indmar special catalyst exhaust gasket is the correct OEM replacement for Indmar catalyst exhaust systems. Engineered to handle the extreme heat and pressure of the marine exhaust environment, this special specification gasket ensures a perfect seal every time — protecting your engine, your passengers, and your investment. Compatible with: Indmar marine engines with catalyst exhaust systems fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.

CHEVROLET SMALL BLOCK CAT MANIFOLD PORT SIDE use with 556202SPEC manifold gasket and 765006 elbow gasket 735020 V-band clamp 605004 straight and 605085 elbow fittings.

CHEVROLET SMALL BLOCK CAT MANIFOLD STARBOARD SIDE use with 556202SPEC manifold gasket and 765006 elbow gasket 735020 V-band clamp 605004 straight and 605085 elbow fittings.

NON CATALYZED 1 PIECE EXHAUST MANIFOLD CHEVROLET SMALL BLOCK ENGINES STARBOARD SIDE

535981E EXHAUST, MANIFOLD BANK2 6.2L E-COATED

535980E EXHAUST, MANIFOLD BANK1 6.2L E-COATED