Product Information
SpeedWerx machines your head to accept Billet Dome Inserts
Direct Ship Form must be completed at the time order is placed
Stock Head must be shipped to SpeedWerx for modification
Modified Head Shell and Billet Dome Inserts are then shipped direct
3-8 HP Gain Depending on Application and Elevation
Improved Throttle Response
Race and Dyno Proven Performance
Industry Leading Technology and Design
Multiple Compression Ratios available
For use with 91 Octane Pump Gas
Note: This is a Direct Ship Item. Order Form must be completed at
the time order is placed. Then your stock head must be shipped to
SpeedWerx to be modified to accept the Billet Domes.
