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This is our “drop in” main cap block girdle designed for 03-current 5.9L and 6.7L engines. .750″ thick on the main caps, and .375″ thick on the block!
Made From One Solid Chunk of Billet Steel, Right Here in the USA!
For Added Strength and Reliability When You Increase HorsePower or Turn Higher RPM's to Help Stabilize the Bottom End.
No clearance required!This same design is used in all of our engine builds from 1000hp to 3000hp. Available in 14mm as well.
Includes ARPstuds, ARP lube, sticker pack and instructions.
(It is recommended to have the main caps align honed at machine shop in case of any bore distortion from the added clamp load).
