Earl's Aluminum Allen Head Plug - 1/4 in NPT - Blue (2 Pack) 120002 Monitor and record Engine and

Monitor and record Engine and Driveshaft RPM to analyze wheelspin

520" effective stud length

Borla stands behind every system with a Million-Mile Warranty

All necessary hardware is included for an easy

Earl's Aluminum Allen Head Plug - 1/4 in NPT - Blue (2 Pack) 120002 Monitor and record Engine andEarl's offers the most complete line of adapter fittings in the industry. In addition to the standard range of AN adapters in both aluminum and steel, over the past 30 years Earl's has designed and manufactured a wide selection of special adapter fittings to meet the needs of the racing industry. These specials include metric to AN, inverted flare to AN and power steering fittings. Product Description: Plug 1 4 in NPT Allen Head Aluminum Blue Anodized