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

power gains of 19

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

while running too lean (very high air/fuel ratio

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