MSD DIS-4 High Output Ignition Amplifier (62153) EGT Gauge XS rotors are denoted by

XS rotors are denoted by the suffix (XS) in 5000 Series part numbers

Under normal driving conditions

5 40 73 TBA 3798906535SP 18x9

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we have achieved even higher durability and lower friction than conventional products

MSD DIS-4 High Output Ignition Amplifier (62153) EGT Gauge XS rotors are denoted byFor full bred drag race engines running high boost pressures from turbos, blowers or nitrous MSD offers a High Output version of the DIS Ignition Control. The DIS 4 Plus HO Ignition produces an incredible 170 millijoules of spark energy with 470 primary volts. This increased output will light up fuel mixtures even under extreme cylinder pressures. Vehicle Fitment: Universal Application Install Instructions (PDF) Features: Two adjustable Rev Limits 10