IAG Cylinder Head CNC Service to Accept 1/2" or 14mm Head Studs

IAG Performance Cylinder Head CNC Machining Service to Accept 1/2" or 14mm Head Studs

MSRP: $105.00
Our Price: $100.00
Savings: $5.00

Part#: IAG-MSS-1210

Description Applications
When upgrading to larger head studs like 1/2" and 14mm the cylinder heads stud holes must be enlarged on the Subaru EJ25, FA20 DIT and EJ20. Each cylinder head is fixtured into our Haas VF-4SS CNC machine and the head studs are precision drilled to accept the larger head studs.

Service Includes:
  • Drilling (x12) Holes, (x6) per cylinder head

*Drilling your head gaskets to clear the larger 14mm head studs is required for fitment.

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