MMX 4-Pin One-Piece Crank Hub Upgrade, Keyed Pinned Hub Conversion for BMW S55 & N55 Engines (M2 Competition, M3, M4; selected 35i) Configuration:With MMR capture plate Z4 E89 right-hand front strut

MMX 4-Pin One-Piece Crank Hub Upgrade, Keyed Pinned Hub Conversion for BMW S55 & N55 Engines (M2 Competition, M3, M4; selected 35i) Configuration:With MMR capture plate Z4 E89 right-hand front strutStop timing slip and protect your BMWs heart The factory multi piece friction hub used on these turbocharged straight six engines can rotate under shock loads, shifting cam timing and risking serious top end damage. This four pin, single piece crankshaft hub upgrade delivers a positive mechanical drive between the crank and timing gear, so your mapping stays where it should, pull after pull. For belt and braces security, add the optional Capture Plate

SKU: 21663348510 · From southroadsurgery.com.au