Complete brand new electric fan installtion kit.FITS 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 ENGINES.Includes a 50 AMP relay,185 degree thermostat,ciruit breaker with waterproof cap,48" of 12-18 gauge wire as well as assorted beass terminals & connectors.Thermostat goes on at 185 degrees and shuts off at 170 degrees.Comes complete with instructions with easy to read wiring diagrams. Product Description High quality relay Inside all is copper parts, nylon material and flame retardant housing 175-185° Thermostat Quality components, more durable Red copper wire High quality red copper wire, good conductivity, stable transmission High quality plug Inside all is copper parts, nylon material and flame retardant housing Breaker & waterproof cover Protected by a waterproof cover, it is more durable Screws Accessories complete, please rest assured to use Terminal & Heat shrink tube Accessories complete, please rest assured to use