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3.8L 24v - MA1.71

3.8L 24v - MA1.71 

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3.8L 24v - MA1.71
This category holds the Diamond DIA-39300-6 forged piston kit for the 3.8L 24v bi-turbo MA1.71 flat-six of the Porsche 911 (991) Turbo and Turbo S, built 2014 to 2016. Unlike the atmospheric M97 of the previous page, this engine is turbocharged. Bore 102mm, compression ratio 9.8:1, 23mm gudgeon pin, 33.66mm pin height. Factory output from 520hp (Turbo) to 560hp (Turbo S). Two active references on this page, dedicated to engine code MA1.71: this piston kit and the ACL Race Series 6B2484H trimetal connecting rod bearings.