ARP 617-6000 SAE Bolt Kit 1/2-13 x 6.000 hex black oxide bolts ymm_34 Fitment notice: A modification of

Fitment notice: A modification of fitting brackets done by Porsche on 718 GT4/Spyder produced approximately after February 2020 was identified

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

Running ethanol requires larger injectors

each link pipe contains a 200 cpsi catalytic converter and the set weighs over 43% less than the stock equivalent

ARP 617-6000 SAE Bolt Kit 1/2-13 x 6.000 hex black oxide bolts ymm_34 Fitment notice: A modification ofSpecifications Socket Size(s) 9 16 hex UHL 6. 000 Thread Length 1. 250 Grip Length 4. 750 Thread Diameter Pitch 1 2 13 Grip Diameter 1 2 Wrenching 9 16 Head Height 0. 450 Collar Diameter 0. 850