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ISB / ISL Medium Duty Calibration
ISB6.7, ISL9 bus & straight truck
Governor, PTO and road-speed parameters set for the body and the duty cycle.
Custom build · 48 hr
Fits 5.9 / 6.7 competition engines
$1,000
Prices do not include the payment processing fee, added at checkout: about 2.99% of your order total plus $0.31. It is the same whichever way you pay.
Custom build · dyno data required
Written off your dyno or track data for a specific hook. Revisions through the season included.
Calibrations are sold for off-road, competition, or otherwise legally permitted use only. You are responsible for complying with all emissions and vehicle regulations that apply where the vehicle or equipment is operated. Emissions & legal use
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Kirtsy Calibrations
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