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An auxilary air inlet can be used to bring in additonal air
Specific to the Duramax platform is a
Kits are often used as an inspection plug or a filler plug
Bonneville
1969-1970 Chevrolet Blazer
AutoMeter Traditional Chrome Electric Programmable Speedometer - 3-3/8 in. 54111111 An auxilary air inlet canTickets are no fun. Calibrating a speedometer isn't a great deal of fun either. AutoMeter's Electronic Programmable Speedometer makes short work of both, providing an easy to install and easy to calibrate solution that will help keep your speed exactly where it needs to be. Compatible with most factory speed senders, you'll wonder why you ever struggled with a speedometer before. Calibration is as simple as a two mile drive, or for even easier