The recommended method of mounting the clutch to the flywheel is with a mounting stud and K-Lock nut, such as an M8 & 5/16" UNF.

Arks, BMW M12 Eccentric Clutch Mounting Stud 56mm for an AP Racing clutch using 8mm diameter fixings. The bolt and the bolt head are NOT concentric so the head locks against a shoulder on the flywheel.

They are made from high-grade steel ensuring long life and no torque relaxation. 

A suitable alternative to the AP Racing Studs for clutches of Ø115mm (4.5") and above.

Our stud design incorporates offset head flats for location, necked down shanks and precision ground location diameters.

Available in sets of 6 and K-nuts can be supplied if required.

More sizes are available or can be produced, please enquire.

We recommend using our Clutch Bolts which come with K-Nuts at a competitive price, in some instances SAVING 25% over our competitors.

Sizes Available
38.5 | 40mm | 43mm | 48mm | 52mm | 55mm | 60mm | 64 mm | 68mm | Cosworth DFV | BMW M12 44 Clutch Stud

More sizes are available
or can be produced, please enquire.

If you can’t find what you’re looking for, contact us.

Ark Racing can create a solution to meet your requirements.

Call us on +44 (0)845 557 7408 or complete our online contact form.