Magnus Crankshaft Main Tool for McLaren M838T/M840T Muteki Tomei 4G63 Valve Springs (TA304A-MT01A)

Tomei 4G63 Valve Springs (TA304A-MT01A)

This new spacer-less design of the Forged Dynalite series of calipers

Upland 2019 Altitude

sealing roughness between 10 to 15 microns

Magnus Crankshaft Main Tool for McLaren M838T/M840T Muteki Tomei 4G63 Valve Springs (TA304A-MT01A)Magnus Motorsports crankshaft main tool (aka retaining bridge) for the McLaren M838T E and M840T E motors will hold the crankshaft in any position which allows crankshaft rotation when mounting pistons and rods to the block. This also allows you to rotate the motor during assembly. 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,