Earl's Straight Adapter Fitting -1/4 in NPT Female to 1/4 in NPT Female - Blue 20-OTL-NR-4XL Fit small and big block

Fit small and big block Chevy (except 348 and 409)

2003-2007 GMC C4500 Topkick

Unique tools can be used to punch and flare new holes

1976-1991 Pontiac Sunbird

Designed for use with coilover shocks

Earl's Straight Adapter Fitting -1/4 in NPT Female to 1/4 in NPT Female - Blue 20-OTL-NR-4XL Fit small and big blockEarl'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. Hydraulic Coupling Adapter Available for Any Plumbing Situation And