Magnus Ductile Iron Engine Sleeves for McLaren 4.0L V8 Catback you can choose which design

you can choose which design you prefer after receiving your license plate delete

Unlike our competitor's intercooler

Unlike most aftermarket rails on the market

9 pounds each

•  Install Instructions

Magnus Ductile Iron Engine Sleeves for McLaren 4.0L V8 Catback you can choose which designMagnus Motorsports McLaren 4. 0L ductile iron engine sleeves help resist deformation under high boost and high combustion loads. Sold as a full set of 8 sleeves. Vehicle Fitment: McLaren 3. 8L & 4. 0L V8 Twin Turbo M838T: 625C, 650S, 675LT, MP4 12C, MSO 688 HS M838TE: 540C, 570S, 570GT, 600LT, 620R M840T: 720S, 750S, 765LT, Senna, Elva, Speedtail, Sabre M840TE: GT, GTS 4. 0L Replacement: These sleeves are a drop in upgrade for the 4. 0L M840T and