V-8 Spark Plug Wire Set | Sierra 18-8804-1 Oil & Lube System Components add more oil

add more oil

** It is made from durable and flexible vinyl material

you also reduce carbon buildup in the cylinders

Fits Mercruiser model 228 GM 305 CID raw water cooled engines from 1977 to 1980 with serial number range 4765100 to 5907057

V-8 Spark Plug Wire Set | Sierra 18-8804-1 Oil & Lube System Components add more oilV 8 Spark Plug Wire Set Sierra 18 8804 1 Sierra 8mm ignition wire set fits Mercruiser 454 and 502 CID marine engines with Thunderbolt distributors. Thunderbolt big block plug wire set Fits Mercruiser 454 and 502 cu. in. marine engines from 1982 98 with Thunderbolt ignition systems 90 degrees female boot at distributor and spark plug ends 12 in. coil wire Durable stainless steel wound conductor for maximum horsepower and engine performance 8mm blue