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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
The OEM spark plugs use a 14mm head
dry media filter for McLaren vehicles on the market
These spark plugs are one step colder
This is the a genuine McLaren transmission filter
Our painstaking R&D and large level efforts made with the M840T engine have made tuning the SENNA a safe and enjoyable experience as well
M-Engineering Calibration Suite upgrade Senna The OEM spark plugs useYou wanted to get your feet wet with our single file calibration but are now craving custom features and more power? Not to worry! We can upgrade you from the M838T or M840T Single File Calibration to our feature packed M838T or M840T M Tuner Calibration Suite at anytime! *M Tuner requires a one time only bench procedure which requires the ECU to be sent to M Engineering HQ Disclaimer: You accept responsibility and risks of any tunes and added
