HFM Porting Service

   Machining & Labor Operations

• Hand Ported Intake, Exhaust, & Combustion Chambers

• Professional Competition Quality Valve job

• Valves Cleaned & Precision Ground 

• CBN milled to ensure flatness

• Set springs for Bind Heights 

• Cleaning/Prep using UltraSonic to ensure internal passages are clear & free of debris

• Smoothing of all edges and deburing casting flash

Prices for labor only.  All parts extra 

•  Seat and valve job (16) $320.00 fully blended. Standard 

• Grind Valves. Standard valve 45deg seat angle $2.00 per valve additional back angles $1.00 per valve

• Broken stud removal 10.00

• Surface Heads Starting @ $70.00 ea for flatness add $15 up to .030

  • Install Seats (per seat) $5.00

  • Replace guides (per guide) $2.50

  • Hone Guides (per guide) $2.50

  • Flow Test one port w/flow sheet $35.00

    • reflow one port $20.00

  • Flow Test every port w/flow sheet $150.00

  • Cleaning $50.00 per head.

    • Chemical degreased

    • Media blasted for hard deposit 

    • Ultra Sonic cleaning for passages and metal finish.