ARP 642-2250 SAE Bolt Kit 3/8-16 x 2.250 12pt black oxide bolts ymm_9 AEM’s legendary Digital Wideband O2

AEM’s legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one

which has the added benefit of being virtually impervious to rust and corrosion

com/arp/pro-series-12-point-cylinder-head-stud-kit-mpn-203-4204

which makes them about 1000% longer fatigue life than most main bolts

ARP 642-2250 SAE Bolt Kit 3/8-16 x 2.250 12pt black oxide bolts ymm_9 AEM’s legendary Digital Wideband O2Specifications Socket Size(s) 3 8 12pt UHL 2. 250 Thread Length 1. 000 Grip Length 1. 250 Thread Diameter Pitch 3 8 16 Grip Diameter 3 8 Wrenching (reduced) 3 8 Head Height (reduced) 0. 300 Collar Diameter (reduced) 0. 620