B52 - 21 and 23ft

Indmar Marine Spark Plug – Supercharged 575 | Part #597128 Purpose-built for the most powerful engine in the Indmar lineup — this genuine spark plug is the only correct choice for the Supercharged 575 marine engine. The SC 575 operates at significantly higher cylinder pressures and temperatures than any naturally aspirated Indmar engine — demanding a spark plug engineered specifically to handle the extreme conditions of forced induction marine performance. Compatible with: Indmar Supercharged 575 marine engines fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering. ⚠️ IMPORTANT — Correct Plug for Supercharged 575 Only: THIS PLUG IS SPECIFICALLY FOR SUPERCHARGED 575 MODELS ONLY. If your boat is fitted with the naturally aspirated Ford 6.2L engine you must use: 597037-16 – Spark Plug Ford 6.2L CYFS-12FP Set of 16 If you are unsure which engine your boat is fitted with — contact us before ordering.

Indmar Marine Ignition Wire / Spark Plug Leads Set – 5.7L Chevrolet Small Block EST | Part #756002 Restore reliable ignition performance with this genuine Indmar ignition wire and lead set, specifically designed for the Indmar 5.7L Chevrolet small block engine with Electronic Spark Timing (EST). A complete set of ignition leads is one of the most overlooked tune-up items on marine engines — yet worn or damaged leads are one of the most common causes of misfires, rough running, and hard starting on the 5.7L small block. Compatible with: Indmar 5.7L Chevrolet small block marine engines with Electronic Spark Timing (EST) fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year

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.

Indmar Marine Heater Tube – Short | 6.2L | Part #597223 Maintain leak-free heater circuit connections on your Ford 6.2L with this genuine Indmar short heater tube. A precision formed tube that connects the heater circuit on the 6.2L engine — correct OEM shape ensures perfect fitment first time with no modification required. Compatible with: Indmar Ford 6.2L marine engines fitted to Malibu, Moomba, Supra, and Tige boats.

Indmar Marine Ignition Wire / Spark Plug Leads Set – Black Small Block HVS | Part #751106 Restore crisp reliable ignition performance with this genuine Indmar black ignition wire set for the small block marine engine with High Voltage Switch (HVS) ignition system. A complete wire set is one of the most impactful ignition upgrades you can make — delivering clean high voltage pulses from the HVS distributor to every spark plug for consistent firing across all cylinders all season long. Compatible with: Indmar small block marine engines with High Voltage Switch (HVS) ignition systems fitted. Contact us to verify fitment for your specific model year before ordering.

Indmar Marine Formed 1" 90° Hose | Part #841033 Maintain leak-free cooling System flow with this genuine Indmar 1 inch 90-degree formed hose. Pre-formed to the exact OEM shape, this hose fits perfectly first time — no bending, kinking, or makeshift modifications needed. Purpose-built for Indmar marine engines where precise hose routing in tight engine bays is critical. Compatible with: Indmar marine engines fitted to Malibu, Moomba, Supra, and Tige boats.