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![Mazworx SR20 Billet Main Caps with 1/2" Studs](https://trqcdn-1e162.kxcdn.com/217577-thickbox_default/mazworx-sr20-billet-main-caps-with-12-studs.jpg "Mazworx SR20 Billet Main Caps with 1/2" Studs")
Mazworx SR20 Billet Main Caps with 1/2" Studs
Our SR20 billet caps are machined from pure 4140 chromoly steel.
Engine will need to be machined to accept the new 1/2" main studs and a line bore/hone will be needed once these are installed.
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