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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
seasoned head core is
OEM designed with 3/8 extra aluminum material added to head side for a no spacer needed installation
The head in the photo is the exact head that will be shipped to you
The strongest head gasket ever produced
Finally a show quality application specific indicator
Stud Girdle 3/8 230 250 292 Chevy Inline 6-cylinder Custom seasoned head core is250 292 Inline Six Chevy Heavy Duty H beam Stud girdle The stud girdle ties all the studs together this will minimize flexing in the studs which will helps insure more accurate Valve lift and lash. CAD designed and CNC machined from 6061 T6 Aluminum. Machined to precise GM blueprint specifications then checked to a NOS NEW head. The CNC H beam design is lightweight and high strength. Ready to bolt on for 3 8 studs. With Poly Locks that are