Crater Maker Dimple Die - #10 gappers They come with the necessary

They come with the necessary metric hardware (stainless) for mounting to your block

They are not cheap

it is recommended to use these

Factory driveshaft hoop will require minor clearancing

and oil pickup

Crater Maker Dimple Die - #10 gappers They come with the necessaryThis is the best quality made in the USA dimple die available. This #10 Crater Maker is the little brother to our 1 4" Crater Maker. CNC machined from 4140 alloy steel and heat treated for hardness. These dimple dies to press a unique detail around your #10 fasteners on your inner fenders, engine compartment, or another attachment area that needs a little strength and style. Comes with an alignment pin for installation with a vise or press. Works