Racers know ARP hardware is the best in the world.
The stock crank pulley bolts are a knon weak point on Evo 1-9, especially when coupled with rapid acceleration and deceleration seen on Evos used in motorsport.
This effect is further compounded with heavier than stock crank damper pulleys. .
The ARP hardware will add huge reliability to this attachment and ensure your crank pulley stays firmly attached to your motor!.
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Spec: Shouldered M8x1,.25, 30mm UHL..
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Sold as pack of 4 bolts - this is enough to service one engine
Direct replacement for original bolts