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 velocity stack intake
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 velocity stack intakeStop 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
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Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18