AMTuned will be closed for holiday Dec 20th - Jan 3rd. Orders placed during this time will ship out after our holiday closure.



AMTuned Cylinder Head Rebuild for Audi B6 / B7 S4 4.2L

Regular price $1,795.00

Cylinder head rebuild for the B6 B7 S4. Send in your cylinder heads and let us bring them back to life! Turn around time is usually within 2-3 weeks once cylinder heads are received.

Cylinder heads are to be stripped of timing components, timing bolts, camshafts, rockers, and nuts/bolts. Valve and spring assembly can remain untouched. Shipping to and from our facility is not included in price. Free local delivery and pickup is available. Please ship cylinder heads in individual box's and properly packed tight to prevent damage. Keep in mind that the packaging has to be stout enough for us to repack your items or additional packaging fees for return will be added. 

Shipping to and from our location is not included in pricing and is the customers responsibility. When shipping cylinder heads to us, package them separately in box's with sufficient protection and deliver them to:

AMTuned LLC

5079 North Dixie Hwy #159. Oakland Park, FL 33334

Stage 1:

  • AMTuned Valve Set
  • Oversize Valve Guides
  • Viton Valve Guide Seals
  • Cleaning / Blasting of Cylinder Head
  • Mating Surface Skimmed
  • Valve Seats Cut For New Life Cycle
  • Assembled Heads Pressure Tested

Stage 1+ (For those looking to push past 600whp and a higher rev range:

  • All items in Stage 1 with additional upgraded AMTuned HD valve spring package and titanium retainers. Spring package retains factory valve keepers and is used in conjunction with AMTuned valve set. 
  • Performance Valve Job

Stage 2: (Aftermarket Pistons with larger valve reliefs or enlarged valve reliefs on the factory pistons are required for proper valve to piston clearance)

  • Supertech Complete Upgraded Valve Assembly +1mm Oversize Valves
  • Supertech Oversize Valve Guides
  • Viton Valve Guide Seals
  • Cleaning / Blasting of Cylinder Head
  • Mating Surface Skimmed
  • Performance Valve Job
  • Assembled Heads Pressure Tested