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Your cart is empty.Most high performance engines today require the use of larger-than-stock diameter valve springs. This 1.320 inch Spring Seat Cutter for installing larger springs and hardened spring seats on GM Vortec Heads will allow the engine builder to machine the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor/pilot, which are available in three different sizes. 1.320 inch O.D. .630 inch Cuts Guide
Al
Reviewed in the United States on October 26, 2017
Brilliant tool saved heaps using it
Smokin Roach drummer
Reviewed in the United States on December 5, 2014
This is exactly what you need to install ovate (LS type) springs on older Chevy heads that used the 1.250 springs.
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