Spool XR6 Billet Main Caps
Note: Does not come with ARP Main Studs.
Proudly Australian made!
For serious bottom end strength and block rigidity. Billet main caps and girdle replace the cast OEM caps, and use all existing mounting points, rear seal, and oil pump pickup.
Caps are machined from Billet 4140 High Tensile Steel
**Tunnel boring is required.**
Please note: Price is for caps alone. Spool Main Girdle is also required for correct installation.
|Product Name||Spool XR6 Billet Main Caps|
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