{"product_id":"sierra-18-5297-electronic-ignition-conversion-kit-for-4-cylinder-gm-mercruiser-engines-with-delco-distributor-fl153-fl181-1975-1980","title":"Sierra 18-5297 Electronic Ignition Conversion Kit for 4-Cylinder GM, Interchanges with GLM 72510","description":"\u003cp\u003eThe Sierra 18-5297 Electronic Ignition Conversion Kit replaces points and a condenser with a true solid-state ignition system for 4-Cylinder GM marine engines. Points-and-condenser systems wear over time and require periodic gapping and replacement; this kit eliminates that mechanical contact point entirely, delivering consistent spark and more reliable starting. The kit is built as a one-piece, two-wire hookup, so it installs into the existing distributor without requiring a new coil, cap, or rotor.\u003c\/p\u003e\u003cp\u003eTiming accuracy is held within 1\/4 degree across a 0 to 6000 RPM range, which keeps ignition timing consistent from idle through high RPM operation. The kit carries 3 ohms of resistance and is designed to work with Sierra's Flame Thrower coils 18-5466 and 18-5469 if a coil upgrade is desired. It is not compatible with shift assist modules.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-5297\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Electronic Ignition Conversion Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 4-Cylinder GM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming Accuracy:\u003c\/strong\u003e Within 1\/4 degree, 0 to 6000 RPM range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e One-piece, 2-wire hookup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Coils:\u003c\/strong\u003e Sierra Flame Thrower 18-5466 and 18-5469\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.34 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 0.39 x 0.39 x 0.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 030999754189\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e4-Cylinder GM\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eInterchanges with GLM 72510\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-5297 conversion kit do?\u003c\/strong\u003e It replaces the points and condenser in a 4-Cylinder GM distributor with a true solid-state electronic ignition, removing the wear-prone mechanical contact point from the ignition system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-5297 kit work with my existing coil, cap, and rotor?\u003c\/strong\u003e Yes, the Sierra 18-5297 is designed to use your standard coil, cap, and rotor, so no additional ignition components are required beyond the kit itself.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow accurate is the timing on this ignition kit?\u003c\/strong\u003e The 18-5297 holds timing accuracy within 1\/4 degree across a 0 to 6000 RPM range, keeping spark timing consistent from idle to high RPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the resistance rating of the 18-5297 kit?\u003c\/strong\u003e The Sierra 18-5297 Electronic Ignition Conversion Kit has a resistance rating of 3 ohms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-5297 kit difficult to install?\u003c\/strong\u003e No, it is built as a one-piece unit with a 2-wire hookup, which is designed for straightforward installation into the existing 4-Cylinder GM distributor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-5297 have a GLM equivalent number?\u003c\/strong\u003e Yes, the Sierra 18-5297 interchanges with GLM 72510.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the 18-5297 kit be paired with a performance coil?\u003c\/strong\u003e Yes, it can be used with Sierra's Flame Thrower coils 18-5466 and 18-5469 for a coil upgrade.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-5297 kit compatible with shift assist modules?\u003c\/strong\u003e No, the 18-5297 is not compatible with shift assist modules.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the 18-5297 fit?\u003c\/strong\u003e The Sierra 18-5297 Electronic Ignition Conversion Kit is designed for 4-Cylinder GM engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-5297 conversion kit weigh?\u003c\/strong\u003e The Sierra 18-5297 weighs 0.34 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy switch from points and condenser to the 18-5297 electronic kit?\u003c\/strong\u003e Points and condensers wear and require periodic gapping or replacement; the 18-5297 replaces them with solid-state electronics for more consistent ignition performance over time.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988208759003,"sku":"SIE-18-5297","price":179.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-5297_lg__51460.1558127743.500.750.jpg?v=1785188887","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-5297-electronic-ignition-conversion-kit-for-4-cylinder-gm-mercruiser-engines-with-delco-distributor-fl153-fl181-1975-1980","provider":"Good Vibes Marina","version":"1.0","type":"link"}