High Horse Performance, Inc.
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Callies 000-G3HKIT 4140 Billet Main Caps for 5.7/6.1/6.2/6.4L HEMI
Callies Gen 3 main caps are made from billet 4140 material and work on OEM blocks. Inner diameter material is left for your machine shops boring and honing process, meaning these do require machine work for installation.
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