This spark plug is what we suggest using if you are planning on having between 700 whp to 900 whp on the Audi 4.0TFSI.
0.024″ (0.6 mm) is our suggested gap, adjust carefully with a feeler gauge.
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$95.99
This spark plug is what we suggest using if you are planning on having between 700 whp to 900 whp on the Audi 4.0TFSI.
0.024″ (0.6 mm) is our suggested gap, adjust carefully with a feeler gauge.