Regitar USA Knock Sensor f/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w/ECM 555 [RMH001] Brand_Safe-T-Alert 2-9/16" to 4-5/8" (65mm -

2-9/16" to 4-5/8" (65mm - 118mm)

Amps: 400 amps

Hinged Bow Roller - Size 2

Data Cable for TracVision 4

AS EC QDE may be required with some Humminbird models

Regitar USA Knock Sensor f/Mercruiser Inboard Engines: MCM V-6 V-8 (305, 350 496 CID) MPI Engines w/ECM 555 [RMH001] Brand_Safe-T-Alert 2-9/16" to 4-5/8" (65mm -Knock Sensor for Mercruiser Inboard Engines: MCM V 6 & V 8 (305, 350 & 496 CID) MPI Engines with ECM 555 Knock Sensor for Mercruiser Inboard Engines: MCM V 6 & V 8 (305, 350 & 496 CID) MPI Engines with ECM 555. Engine Brand: Mercury Mercruiser Fitment: Mercruiser 5. 7L 8. 2L Mariner 135HP 300HP Brochure (pdf)