Tomei

COMPLETE HEAD 4G639CH for EVO9 GSR/MR PHASE 1 by Tomei

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  • $4,410.00
  • Regular price $4,900.00


Phase 1 Valve Guides Upgraded Valve Seats Cut Valve Set Setup Valve Opening Setting Enlarging Seat Ring Inner Diameter Port Step Correction Valve Friction Correction Combustion Chamber Capacity Adjustments Cylinder Head Surface Correction De-burring Casting Errors Specialized Cleaning Precision Assembly

Phase 2 Valve Guides Upgraded Valve Seats Cut Valve Set Setup Valve Opening Setting Enlarging Seat Ring Inner Diameter Port Step Correction Valve Friction Correction Combustion Chamber Capacity Adjustments Cylinder Head Surface Correction De-burring Casting Errors Specialized Cleaning Precision Assembly.

Includes Camshafts and Valve Lifters. Built with entirely new parts only.