Diamond Engineering Rear Sprocket/Pulley Hardware - 12 POINT (ARP Style)

RACE PROOF FASTENERS 180,000 PSI TENSILE STRENGTH !!!!

• Polished to a mirror finish

• Custom 450 stainless steel

• 12-Point bolts have 180,000 psi tensile, which is 20% stronger than Grade 8

• UNJ3A rolled threads

• Belt/sprocket kits are ideal for high-performance applications; Race Proof® belt/sprocket bolts can withstand as much horsepower as you can throw at them - many Harley Top Fuel racers use these same bolts without fail for over a decade

• Made in the U.S.A.