blow-off valve
A short break-in period is recommended
5 pounds vs the factory exhaust at 65
the goal was set to provide an intercooler system that sacrificed nothing in terms of quality
Magnus Engine Main Bolt Washers for McLaren V8 M838/M840 Blue Point blow-off valveMagnus Motorsports engine main bolt washer set for McLaren V8 engines are designed specifically for the OEM style main bolt configuration, ensuring proper oil sealing while maintaining correct fastener preload. 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 Note: Professional installation